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Finding the Fourth Proportional to 602.86, 832.23 and 425.97

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Solution

The fourth proportional to 602.86, 832.23 and 425.97 is: 588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.86 : 832.23 = 425.97 : x
  2. Step 2: Convert to fraction form
    602.86/832.23 = 425.97/x
  3. Step 3: Cross multiply
    602.86x = 832.23 × 425.97
  4. Step 4: Simplify right side
    602.86x = 354,505.01
  5. Step 5: Solve for x
    x = 354,505.01/602.86
  6. Step 6: Final answer
    x = 588.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.