 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
 | Nehemiah Hawkins - Machine-shop practice - 1903 - 362 pages
...first of which is the antecedent and the second the consequent. PROPORTION 1s AN EQUALITY OF RATIOS. The first and fourth terms of a proportion are called the extremes, and the second and third the means. RATIO AND PROPORTION. A missing mean may be found by dividing the product of the extremes... | |
 | George William Myers, Sarah Catherine Brooks - Arithmetic - 1903 - 424 pages
...curve. 196. The first, second, third, and fourth numbers of a proportion are PAGE The first and the 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;... | |
 | Joseph Ray - Arithmetic - 1903 - 366 pages
...[ :: ' > is a compound proportion. o : 4 ) D • o J 221. Every proportion consists of four terms. The first and fourth terms of a proportion are called the extremes. The second and third terms of a proportion are called the means. The last term is said to be a fourth... | |
 | International Correspondence Schools - Arithmetic - 1904 - 656 pages
...ratio of the first term to the second term equals the ratio of the third term to the fourth term. 65. 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. 66.... | |
 | John Henry Moore - Business mathematics - 1904 - 404 pages
...ratios. It is indicated by placing the sign of equality =, or a double colon :: between the ratios. 950. The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means. 951. The test of proportion is that the two integers or fractions representing the ratios... | |
 | John William Hopkins, Patrick Healy Underwood - Algebra - 1904 - 272 pages
...9. The above proportion may also be written f = f . 107. In a proportion the first and fourth terms are called the extremes and the second and third terms are called the means of the proportion. 108. Two quantities are directly proportional, or vary directly, if an increase in the one produces... | |
 | John Henry Tanner - Algebra - 1904 - 398 pages
..." 6 is to 3 as 10 is to 5 " ; its meaning is the same as 6 : 3 = 10 : 5, ie, the same as a = ¥• The first and fourth terms of a proportion are called the extremes, while the second and third terms are called the means, and the fourth term is called the fourth proportional... | |
 | Walter Randall Marsh - Algebra - 1905 - 446 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... | |
 | John Charles Stone, James Franklin Millis - Algebra - 1905 - 776 pages
...terms of the ratios in a proportion are called the terms of the proportion. The first and fourth terms are called the extremes, and the second and third terms are called the means of the proportion. Thus, in 2: x=6x>: Зх3, 2 and Зге* are the extremes, and x and бх2 are the means. In the proportion... | |
 | Elmer Adelbert Lyman - Arithmetic - 1905 - 268 pages
...' Ol K 1 CC Check by putting 2 j for x, then ±t.»|, or ±f== 2. o 7 2iL 7 226. The first and last terms of a proportion are called the extremes, and the second and third terms the means. 227. In any proportion the product of the means is equal to the product of the extremes.... | |
| |
