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Finding the Fourth Proportional to 402.28, 600.02 and 366.91

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Solution

The fourth proportional to 402.28, 600.02 and 366.91 is: 547.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    402.28 : 600.02 = 366.91 : x
  2. Step 2: Convert to fraction form
    402.28/600.02 = 366.91/x
  3. Step 3: Cross multiply
    402.28x = 600.02 × 366.91
  4. Step 4: Simplify right side
    402.28x = 220,150.34
  5. Step 5: Solve for x
    x = 220,150.34/402.28
  6. Step 6: Final answer
    x = 547.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.