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Finding the Fourth Proportional to 267.54, 401.00 and 113.37

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Solution

The fourth proportional to 267.54, 401.00 and 113.37 is: 169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.54 : 401.00 = 113.37 : x
  2. Step 2: Convert to fraction form
    267.54/401.00 = 113.37/x
  3. Step 3: Cross multiply
    267.54x = 401.00 × 113.37
  4. Step 4: Simplify right side
    267.54x = 45,461.65
  5. Step 5: Solve for x
    x = 45,461.65/267.54
  6. Step 6: Final answer
    x = 169.92

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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.