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Finding the Fourth Proportional to 247.20, 372.24 and 227.04

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Solution

The fourth proportional to 247.20, 372.24 and 227.04 is: 341.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.20 : 372.24 = 227.04 : x
  2. Step 2: Convert to fraction form
    247.20/372.24 = 227.04/x
  3. Step 3: Cross multiply
    247.20x = 372.24 × 227.04
  4. Step 4: Simplify right side
    247.20x = 84,513.37
  5. Step 5: Solve for x
    x = 84,513.37/247.20
  6. Step 6: Final answer
    x = 341.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.