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Finding the Fourth Proportional to 392.32, 541.17 and 250.27

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Solution

The fourth proportional to 392.32, 541.17 and 250.27 is: 345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    392.32 : 541.17 = 250.27 : x
  2. Step 2: Convert to fraction form
    392.32/541.17 = 250.27/x
  3. Step 3: Cross multiply
    392.32x = 541.17 × 250.27
  4. Step 4: Simplify right side
    392.32x = 135,438.62
  5. Step 5: Solve for x
    x = 135,438.62/392.32
  6. Step 6: Final answer
    x = 345.22

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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.