Finding the Fourth Proportional to 392.97, 588.97 and 344.11
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Solution
The fourth proportional to 392.97, 588.97 and 344.11 is: 515.74
Step by Step Solution
- Step 1: Write the proportion equation
392.97 : 588.97 = 344.11 : x - Step 2: Convert to fraction form
392.97/588.97 = 344.11/x - Step 3: Cross multiply
392.97x = 588.97 × 344.11 - Step 4: Simplify right side
392.97x = 202,670.53 - Step 5: Solve for x
x = 202,670.53/392.97 - Step 6: Final answer
x = 515.74
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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.