Finding the Fourth Proportional to 349.50, 524.08 and 132.92
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Solution
The fourth proportional to 349.50, 524.08 and 132.92 is: 199.32
Step by Step Solution
- Step 1: Write the proportion equation
349.50 : 524.08 = 132.92 : x - Step 2: Convert to fraction form
349.50/524.08 = 132.92/x - Step 3: Cross multiply
349.50x = 524.08 × 132.92 - Step 4: Simplify right side
349.50x = 69,660.71 - Step 5: Solve for x
x = 69,660.71/349.50 - Step 6: Final answer
x = 199.32
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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.