Finding the Fourth Proportional to 134.71, 201.71 and 112.99
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Solution
The fourth proportional to 134.71, 201.71 and 112.99 is: 169.19
Step by Step Solution
- Step 1: Write the proportion equation
134.71 : 201.71 = 112.99 : x - Step 2: Convert to fraction form
134.71/201.71 = 112.99/x - Step 3: Cross multiply
134.71x = 201.71 × 112.99 - Step 4: Simplify right side
134.71x = 22,790.99 - Step 5: Solve for x
x = 22,790.99/134.71 - Step 6: Final answer
x = 169.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.