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Finding the Fourth Proportional to 268.29, 402.44 and 160.29

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Solution

The fourth proportional to 268.29, 402.44 and 160.29 is: 240.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.29 : 402.44 = 160.29 : x
  2. Step 2: Convert to fraction form
    268.29/402.44 = 160.29/x
  3. Step 3: Cross multiply
    268.29x = 402.44 × 160.29
  4. Step 4: Simplify right side
    268.29x = 64,507.11
  5. Step 5: Solve for x
    x = 64,507.11/268.29
  6. Step 6: Final answer
    x = 240.44

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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.