Finding the Fourth Proportional to 349.28, 524.14 and 132.84
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Solution
The fourth proportional to 349.28, 524.14 and 132.84 is: 199.34
Step by Step Solution
- Step 1: Write the proportion equation
349.28 : 524.14 = 132.84 : x - Step 2: Convert to fraction form
349.28/524.14 = 132.84/x - Step 3: Cross multiply
349.28x = 524.14 × 132.84 - Step 4: Simplify right side
349.28x = 69,626.76 - Step 5: Solve for x
x = 69,626.76/349.28 - Step 6: Final answer
x = 199.34
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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.