 | Charles Austin Hobbs - Arithmetic - 1889 - 366 pages
...: 6 = 10 : 15 is read the ratio of 4 to 6 equals the ratio of 10 to 15. The first and fourth tarnis of a proportion are called the extremes, and the second and third terms are called the means. Three numbers are said to be in proportion when the ratio of the first to the... | |
 | Webster Wells - Algebra - 1890 - 560 pages
...the second term the consequent. Thus, in the ratio a:b, a is the antecedent, and b is the consequent. The first and fourth terms of a proportion are called...third terms the means. Thus, in the proportion a : b = c : d, a and d are the extremes, and b and c the means. 379. In a proportion in which the means are... | |
 | Webster Wells - Algebra - 1890 - 604 pages
...second term the consequent. Thus, in the ratio a : b, a is the antecedent, and b is the consequent. The first and fourth terms of a proportion are called...and third terms the means. Thus, in the proportion о : b = с : d, a and d are the extremes, and b and с the means. 379. In a proportion in which the... | |
 | William James Milne - Algebra - 1892 - 370 pages
...the consequents. 305. The Extremes of a proportion are the first and fourth terms of the proportion. Thus, in the proportion a : b : : с : d, a and d are the extremes. 306. The Means of a proportion are the second and third terms of the proportion. Thus, in the proportion... | |
 | Webster Wells - Arithmetic - 1893 - 360 pages
...of 6 to 10 forms a proportion, which may be written in the forms 3:5 = 6:10, f = ^ or3:5::6:10. 265. The first and fourth terms of a proportion are called...and third terms the means. Thus, in the proportion 3 : 5 = 6 :10, 3 and 10 are the extremes, and 5 and 6 the means. 266. In a proportion in which the... | |
 | Ephraim Hunt - Geometry - 1894 - 118 pages
...form of a proportion, in every possible way, testing the correctness of each form. How many forms? The first and fourth terms of a proportion are called the extremes; the second and third, the means. If we have 5 :10 :: 6 : , how do you find the fourth term? What is... | |
 | John Tilden Prince - Arithmetic - 1894 - 254 pages
...the terms are smaller, but the ratio remains unchanged. 86 A proportion is the equality of ratios. The first and fourth terms of a proportion are called the extremes. The second and third terms are called the means. From observation the pupils will discover and state... | |
 | Wm. M. Peck - 1894 - 310 pages
...ratios is expressed, 4 : 8=50 : 100, or 4 : 8 : : 50 : 100 ; and is read, " 4 is to 8 as 50 is to 100." The first and fourth terms of a proportion are called the Extremes. The second and third terms of a proportion are called the Means. b. The product of the means is equal... | |
 | George D. Pettee - Geometry, Modern - 1896 - 272 pages
...proportion may be written in either of the following forms: a: b = c : d, or a:b::c:d, or - = — bd 184. The first and fourth terms of a proportion are called...extremes, and the second and third terms the means. The first and third terms are called the antecedents, and the second and fourth terms the consequents.... | |
 | Frank H. Hall - Arithmetic - 1896 - 296 pages
...couplets; thus, 2 : 6 = 5 : 15. This may be read, The ratio of 2 to 6 equals the ratio of 5 to 15. The first and fourth terms of a proportion are called...extremes, and the second and third terms the means. In every true proportion, the product of the means equals the product of the extremes. NOTE.— In... | |
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The first and fourth terms of a proportion are called the extremes; and the second and third terms the means. Thus, in the • proportion a : b = с : d, a and d are the extremes, and b and с the means. 
