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Finding the Fourth Proportional to 178.55, 267.68 and 110.04

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Solution

The fourth proportional to 178.55, 267.68 and 110.04 is: 164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.55 : 267.68 = 110.04 : x
  2. Step 2: Convert to fraction form
    178.55/267.68 = 110.04/x
  3. Step 3: Cross multiply
    178.55x = 267.68 × 110.04
  4. Step 4: Simplify right side
    178.55x = 29,454.96
  5. Step 5: Solve for x
    x = 29,454.96/178.55
  6. Step 6: Final answer
    x = 164.97

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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.