Finding the Fourth Proportional to 240.96, 361.68 and 132.96
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Solution
The fourth proportional to 240.96, 361.68 and 132.96 is: 199.57
Step by Step Solution
- Step 1: Write the proportion equation
240.96 : 361.68 = 132.96 : x - Step 2: Convert to fraction form
240.96/361.68 = 132.96/x - Step 3: Cross multiply
240.96x = 361.68 × 132.96 - Step 4: Simplify right side
240.96x = 48,088.97 - Step 5: Solve for x
x = 48,088.97/240.96 - Step 6: Final answer
x = 199.57
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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.