Finding the Fourth Proportional to 355.19, 532.68 and 224.99
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Solution
The fourth proportional to 355.19, 532.68 and 224.99 is: 337.42
Step by Step Solution
- Step 1: Write the proportion equation
355.19 : 532.68 = 224.99 : x - Step 2: Convert to fraction form
355.19/532.68 = 224.99/x - Step 3: Cross multiply
355.19x = 532.68 × 224.99 - Step 4: Simplify right side
355.19x = 119,846.16 - Step 5: Solve for x
x = 119,846.16/355.19 - Step 6: Final answer
x = 337.42
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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.