Finding the Fourth Proportional to 445.62, 614.96 and 249.14
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Solution
The fourth proportional to 445.62, 614.96 and 249.14 is: 343.82
Step by Step Solution
- Step 1: Write the proportion equation
445.62 : 614.96 = 249.14 : x - Step 2: Convert to fraction form
445.62/614.96 = 249.14/x - Step 3: Cross multiply
445.62x = 614.96 × 249.14 - Step 4: Simplify right side
445.62x = 153,211.13 - Step 5: Solve for x
x = 153,211.13/445.62 - Step 6: Final answer
x = 343.82
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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.