Finding the Fourth Proportional to 495.71, 743.67 and 170.99
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Solution
The fourth proportional to 495.71, 743.67 and 170.99 is: 256.52
Step by Step Solution
- Step 1: Write the proportion equation
495.71 : 743.67 = 170.99 : x - Step 2: Convert to fraction form
495.71/743.67 = 170.99/x - Step 3: Cross multiply
495.71x = 743.67 × 170.99 - Step 4: Simplify right side
495.71x = 127,160.13 - Step 5: Solve for x
x = 127,160.13/495.71 - Step 6: Final answer
x = 256.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.