Finding the Fourth Proportional to 392.14, 588.21 and 160.99
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Solution
The fourth proportional to 392.14, 588.21 and 160.99 is: 241.48
Step by Step Solution
- Step 1: Write the proportion equation
392.14 : 588.21 = 160.99 : x - Step 2: Convert to fraction form
392.14/588.21 = 160.99/x - Step 3: Cross multiply
392.14x = 588.21 × 160.99 - Step 4: Simplify right side
392.14x = 94,694.76 - Step 5: Solve for x
x = 94,694.76/392.14 - 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.