Finding the Fourth Proportional to 242.67, 363.84 and 132.99
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Solution
The fourth proportional to 242.67, 363.84 and 132.99 is: 199.39
Step by Step Solution
- Step 1: Write the proportion equation
242.67 : 363.84 = 132.99 : x - Step 2: Convert to fraction form
242.67/363.84 = 132.99/x - Step 3: Cross multiply
242.67x = 363.84 × 132.99 - Step 4: Simplify right side
242.67x = 48,387.08 - Step 5: Solve for x
x = 48,387.08/242.67 - Step 6: Final answer
x = 199.39
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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.