Finding the Fourth Proportional to 349.36, 524.08 and 132.88
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Solution
The fourth proportional to 349.36, 524.08 and 132.88 is: 199.34
Step by Step Solution
- Step 1: Write the proportion equation
349.36 : 524.08 = 132.88 : x - Step 2: Convert to fraction form
349.36/524.08 = 132.88/x - Step 3: Cross multiply
349.36x = 524.08 × 132.88 - Step 4: Simplify right side
349.36x = 69,639.75 - Step 5: Solve for x
x = 69,639.75/349.36 - 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.