Finding the Fourth Proportional to 349.44, 524.16 and 133.08
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Solution
The fourth proportional to 349.44, 524.16 and 133.08 is: 199.62
Step by Step Solution
- Step 1: Write the proportion equation
349.44 : 524.16 = 133.08 : x - Step 2: Convert to fraction form
349.44/524.16 = 133.08/x - Step 3: Cross multiply
349.44x = 524.16 × 133.08 - Step 4: Simplify right side
349.44x = 69,755.21 - Step 5: Solve for x
x = 69,755.21/349.44 - Step 6: Final answer
x = 199.62
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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.