Finding the Fourth Proportional to 392.11, 588.15 and 160.99
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Solution
The fourth proportional to 392.11, 588.15 and 160.99 is: 241.48
Step by Step Solution
- Step 1: Write the proportion equation
392.11 : 588.15 = 160.99 : x - Step 2: Convert to fraction form
392.11/588.15 = 160.99/x - Step 3: Cross multiply
392.11x = 588.15 × 160.99 - Step 4: Simplify right side
392.11x = 94,686.27 - Step 5: Solve for x
x = 94,686.27/392.11 - Step 6: Final answer
x = 241.48
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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.