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Finding the Fourth Proportional to 247.56, 340.92 and 224.34

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Solution

The fourth proportional to 247.56, 340.92 and 224.34 is: 308.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.56 : 340.92 = 224.34 : x
  2. Step 2: Convert to fraction form
    247.56/340.92 = 224.34/x
  3. Step 3: Cross multiply
    247.56x = 340.92 × 224.34
  4. Step 4: Simplify right side
    247.56x = 76,481.99
  5. Step 5: Solve for x
    x = 76,481.99/247.56
  6. Step 6: Final answer
    x = 308.94

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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.