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Finding the Fourth Proportional to 639.19, 959.24 and 600.92

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Solution

The fourth proportional to 639.19, 959.24 and 600.92 is: 901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    639.19 : 959.24 = 600.92 : x
  2. Step 2: Convert to fraction form
    639.19/959.24 = 600.92/x
  3. Step 3: Cross multiply
    639.19x = 959.24 × 600.92
  4. Step 4: Simplify right side
    639.19x = 576,426.80
  5. Step 5: Solve for x
    x = 576,426.80/639.19
  6. Step 6: Final answer
    x = 901.81

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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.