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Finding the Fourth Proportional to 224.47, 335.34 and 178.91

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Solution

The fourth proportional to 224.47, 335.34 and 178.91 is: 267.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.47 : 335.34 = 178.91 : x
  2. Step 2: Convert to fraction form
    224.47/335.34 = 178.91/x
  3. Step 3: Cross multiply
    224.47x = 335.34 × 178.91
  4. Step 4: Simplify right side
    224.47x = 59,995.26
  5. Step 5: Solve for x
    x = 59,995.26/224.47
  6. Step 6: Final answer
    x = 267.27

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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.