Question
If 'U' is the prime number 17, then find the fourth
proportion of (U + 3), (U - 7) and (U + 5).Solution
'U' = 17
So, the numbers are 20, 10 and 22.
Let fourth proportion be 'm'.
So, 20m = 10 × 22
Or, 20m = 220
Or, 'm' = 11
More Ratio and proportion Questions
What will come in place of the question mark (?) in the following series?
520, 519, 511, ?, 420, 295
Choose the missing term?
B, D, F, I, L, P, ?
22, 37, 63, 98, 148, ?
10, ?, 50, 100, 250, 500
226 231 466 ? 5606 28031
24 12 18 ? 157.5 708.75 3,898.125
168, 164, 155, 139, ?, 78
What will come in place of the question mark (?) in the following series?
15, 26, 39, 56, ?, 98
10,14,26,42,70,?
62, 87, 137, ?, 312, 437
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