Finding the Fourth Proportional to 624.57, 861.96 and 344.84
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Solution
The fourth proportional to 624.57, 861.96 and 344.84 is: 475.90
Step by Step Solution
- Step 1: Write the proportion equation
624.57 : 861.96 = 344.84 : x - Step 2: Convert to fraction form
624.57/861.96 = 344.84/x - Step 3: Cross multiply
624.57x = 861.96 × 344.84 - Step 4: Simplify right side
624.57x = 297,233.98 - Step 5: Solve for x
x = 297,233.98/624.57 - Step 6: Final answer
x = 475.90
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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.