 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.  First Year Algebra - Page 286by William James Milne - 1911Full view - About this book
 | William Frothingham Bradbury - Algebra - 1868 - 264 pages
...antecedents and consequents of the two ratios are respectively the antecedents and consequents of the proportion. The first and fourth terms are called the extremes, and the second and third the means. 197. When three quantities are in proportion, eg a : b = b : c, the second is called a mean... | |
 | Charles Davies - Geometry - 1870 - 392 pages
...The quantities which are compared together are called the terms of the proportion. The first and last terms are called the extremes, and the second and third terms, the means. Thus, A and D are the extremes, and В and G the means. 3. Of four proportional quantities, the first... | |
 | William Frothingham Bradbury - Geometry - 1872 - 262 pages
...antecedents and consequents of the two ratios are respectively the antecedents and consequents of the proportion. The first and fourth terms are called the extremes, and the second and third the means. 6. When three quantities are in proportion, cg a : b = b : c, the second is called a mean... | |
 | William Frothingham Bradbury - Geometry - 1872 - 124 pages
...antecedents and consequents of the two ratios are respectively the antecedents and consequents of the proportion. The first and fourth terms are called the extremes, and the second and third the means. 6. When three quantities are in proportion, eg a : b = b : c, the second is called a mean... | |
 | Shelton Palmer Sanford - Arithmetic - 1872 - 404 pages
...ratio of 15 to 5 is equal to the ratio of 12 to 4. ART. 287. The first and last terms of a proportion are called the extremes, and the second and third terms, the means. Thus, in the proportion 3 : 6 : : 4 : 8, 3 and 8 are the extremes, and 6 and 4 the means. AKT. 288.... | |
 | William Frothingham Bradbury - Algebra - 1877 - 280 pages
...antecedents and consequents of the two ratios are respectively the antecedents and consequents of the proportion. The first and fourth terms are called the extremes, and the second and third the means. 197. When three quantities are in proportion, eg a : b = b : c, the second is called a mean... | |
 | Albert Newton Raub - Arithmetic - 1877 - 348 pages
...each couplet is called, as in Katio, an antecedent, and the second in each couplet a consequent. 148. The first and fourth terms are called the extremes, and the second and third the means. 149. The first and second terms are the first couplet, and the third and fourth terms the... | |
 | Samuel Mecutchen, George Mornton Sayre - Arithmetic - 1877 - 200 pages
...or, the ratio of 4 to 8 is equal to the ratio of 12 to 24. The first and last terms of a proportion are called the Extremes, and the second and third terms the Means. In any proportion the product of the means is equal to the product of the extremes. Thus, in the proportion... | |
 | Thomas Hunter - Geometry, Plane - 1878 - 142 pages
...antecedent, the second the consequent, the third the antecedent, and the fourth the consequent, and so on. 7. The first and fourth terms are called the extremes, and the second and third are called the means. 8. An Inverse Proportion is where the antecedent is made the consequent, and... | |
 | Robert Potts - Algebra - 1879 - 672 pages
...proportion is sometimes written a : Ъ : : с : d, and is expressed by saying that a is to b as с is to d ; the first and fourth terms are called the extremes, and the second and third the means, of the proportion. If the third term be equal to the second, the proportion consists of... | |
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