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Finding the Fourth Proportional to 362.20, 500.04 and 279.14

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Solution

The fourth proportional to 362.20, 500.04 and 279.14 is: 385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.20 : 500.04 = 279.14 : x
  2. Step 2: Convert to fraction form
    362.20/500.04 = 279.14/x
  3. Step 3: Cross multiply
    362.20x = 500.04 × 279.14
  4. Step 4: Simplify right side
    362.20x = 139,581.17
  5. Step 5: Solve for x
    x = 139,581.17/362.20
  6. Step 6: Final answer
    x = 385.37

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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.