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Finding the Fourth Proportional to 178.62, 267.62 and 97.44

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Solution

The fourth proportional to 178.62, 267.62 and 97.44 is: 145.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.62 : 267.62 = 97.44 : x
  2. Step 2: Convert to fraction form
    178.62/267.62 = 97.44/x
  3. Step 3: Cross multiply
    178.62x = 267.62 × 97.44
  4. Step 4: Simplify right side
    178.62x = 26,076.89
  5. Step 5: Solve for x
    x = 26,076.89/178.62
  6. Step 6: Final answer
    x = 145.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.