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Finding the Fourth Proportional to 267.87, 403.52 and 265.44

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Solution

The fourth proportional to 267.87, 403.52 and 265.44 is: 399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.87 : 403.52 = 265.44 : x
  2. Step 2: Convert to fraction form
    267.87/403.52 = 265.44/x
  3. Step 3: Cross multiply
    267.87x = 403.52 × 265.44
  4. Step 4: Simplify right side
    267.87x = 107,109.02
  5. Step 5: Solve for x
    x = 107,109.02/267.87
  6. Step 6: Final answer
    x = 399.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.