Finding the Fourth Proportional to 736.29, 1,016.55 and 474.66
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Solution
The fourth proportional to 736.29, 1,016.55 and 474.66 is: 655.33
Step by Step Solution
- Step 1: Write the proportion equation
736.29 : 1,016.55 = 474.66 : x - Step 2: Convert to fraction form
736.29/1,016.55 = 474.66/x - Step 3: Cross multiply
736.29x = 1,016.55 × 474.66 - Step 4: Simplify right side
736.29x = 482,515.62 - Step 5: Solve for x
x = 482,515.62/736.29 - Step 6: Final answer
x = 655.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.