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Finding the Fourth Proportional to 267.04, 400.67 and 113.01

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Solution

The fourth proportional to 267.04, 400.67 and 113.01 is: 169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.04 : 400.67 = 113.01 : x
  2. Step 2: Convert to fraction form
    267.04/400.67 = 113.01/x
  3. Step 3: Cross multiply
    267.04x = 400.67 × 113.01
  4. Step 4: Simplify right side
    267.04x = 45,279.72
  5. Step 5: Solve for x
    x = 45,279.72/267.04
  6. Step 6: Final answer
    x = 169.56

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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.