Finding the Fourth Proportional to 353.70, 531.08 and 224.51
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Solution
The fourth proportional to 353.70, 531.08 and 224.51 is: 337.09
Step by Step Solution
- Step 1: Write the proportion equation
353.70 : 531.08 = 224.51 : x - Step 2: Convert to fraction form
353.70/531.08 = 224.51/x - Step 3: Cross multiply
353.70x = 531.08 × 224.51 - Step 4: Simplify right side
353.70x = 119,228.99 - Step 5: Solve for x
x = 119,228.99/353.70 - Step 6: Final answer
x = 337.09
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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.