Finding the Fourth Proportional to 430.26, 644.99 and 224.97
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Solution
The fourth proportional to 430.26, 644.99 and 224.97 is: 337.25
Step by Step Solution
- Step 1: Write the proportion equation
430.26 : 644.99 = 224.97 : x - Step 2: Convert to fraction form
430.26/644.99 = 224.97/x - Step 3: Cross multiply
430.26x = 644.99 × 224.97 - Step 4: Simplify right side
430.26x = 145,103.40 - Step 5: Solve for x
x = 145,103.40/430.26 - Step 6: Final answer
x = 337.25
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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.