 The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means. Thus, in the foregoing proportion, 8 and 3 are the extremes and 4 and 6 are the means.  Plane and Solid Geometry - Page 134by William James Milne - 1899 - 384 pagesFull view - About this book
 | International Correspondence Schools - Arithmetic - 1906 - 576 pages
...ratio of the first term to the second term equals the ratio of the third term to the fourth term. 135. The first and fourth terms of a proportion are called the extremes, and the second and third terms, the meaiis. Thus, in the foregoing proportion, 8 and 3 are the extremes and 4 and 6 are the means.... | |
 | William James Milne - Arithmetic - 1906 - 364 pages
...equal to the ratio of 8 to 12 " ; or more briefly, "4 is to 6 as 8 is to 12." 503. The first and last terms of a proportion are called the extremes, and the second and third terms the means. In 4 : 6 = 8 : 12, the extremes are 4 and 12 ; the means, 6 and 8. 504. 1. In the proportion... | |
 | William James Milne - Arithmetic - 1906 - 364 pages
...equal to the ratio of 8 to 12 " ; or more briefly, "4 is to 6 as 8 is to 12." 503. The first and last terms of a proportion are called the extremes, and the second and third terms the means. In 4 : 6 = 8 : 12, the extremes are 4 and 12 ; the means, 6 and 8. 504. 1. In the proportion... | |
 | John Marvin Colaw, Frank Williamson Duke - Arithmetic - 1906 - 408 pages
...equations (Art. 345) and to fractions apply also to proportions. 435. The first and fourth numbers of a proportion are called the extremes, and the second and third the means. Name the extremes and the means in the proportion 436. I. Consider the proportion 3 : 8... | |
 | John William Hopkins - Arithmetic - 1907 - 376 pages
...: 20, is also |-. Statement (2) may read 9 is as large compared with 15 as 12 is compared with 20. The first and fourth terms of a proportion are called...terms are called the means, of the proportion. In a proportion the product of the extremes is equal to the product of the means. Let a:b = c:d be any... | |
 | Charles Hamilton Ashton, Walter Randall Marsh - Algebra - 1907 - 304 pages
...antecedents and consequents of the ratios are called the antecedents and consequents of the proportion. The first and fourth terms of a proportion are called...and the second and third terms are called the means. The terms of a proportion are said to be proportional. The fourth term of a proportion is called a... | |
 | Frank H. Hall - Arithmetic - 1907 - 364 pages
...76 : 19 p. x : 40 : : 36 : 48 To find the missing term of a proportion without finding the ratio : The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means; thus, in the proportion 12 : 6 = 8 : 4, 12 and 4 are the extremes, and 6 and 8 are the means.... | |
 | George William Myers, Sarah Catherine Brooks - Arithmetic - 1907 - 432 pages
...fourth numbers of a proportion are called the first, second, third, and fourth terms of the proportion. The first and fourth terms of a proportion are called the extremes, and the second and the third terms, the means. The first two terms of a proportion are together called the first couplet,... | |
 | George William Myers, Sarah Catherine Brooks - Arithmetic - 1907 - 436 pages
...fourth numbers of a proportion are called the first, second, third, and fourth terms of the proportion. The first and fourth terms of a proportion are called the extremes, and the second and the third terms, the means. The first two terms of a proportion are together called the first couplet,... | |
 | William James Milne - Arithmetic - 1907 - 616 pages
...equal to the ratio of 8 to 12 '; or more briefly, "4 is to 6 as 8 is to 12." 619. The first and last terms of a proportion are called the extremes, and the second and third terms the means. In 4 : 6 = 8 : 12, the extremes are 4 and 12; the means, 6 and 8. 620. 1. In the proportion... | |
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