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Finding the Fourth Proportional to 178.26, 267.37 and 50.02

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Solution

The fourth proportional to 178.26, 267.37 and 50.02 is: 75.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.26 : 267.37 = 50.02 : x
  2. Step 2: Convert to fraction form
    178.26/267.37 = 50.02/x
  3. Step 3: Cross multiply
    178.26x = 267.37 × 50.02
  4. Step 4: Simplify right side
    178.26x = 13,373.85
  5. Step 5: Solve for x
    x = 13,373.85/178.26
  6. Step 6: Final answer
    x = 75.02

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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.