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Finding the Fourth Proportional to 297.02, 447.18 and 267.26

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Solution

The fourth proportional to 297.02, 447.18 and 267.26 is: 402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.02 : 447.18 = 267.26 : x
  2. Step 2: Convert to fraction form
    297.02/447.18 = 267.26/x
  3. Step 3: Cross multiply
    297.02x = 447.18 × 267.26
  4. Step 4: Simplify right side
    297.02x = 119,513.33
  5. Step 5: Solve for x
    x = 119,513.33/297.02
  6. Step 6: Final answer
    x = 402.37

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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.