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Finding the Fourth Proportional to 263.13, 362.97 and 169.89

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Solution

The fourth proportional to 263.13, 362.97 and 169.89 is: 234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.13 : 362.97 = 169.89 : x
  2. Step 2: Convert to fraction form
    263.13/362.97 = 169.89/x
  3. Step 3: Cross multiply
    263.13x = 362.97 × 169.89
  4. Step 4: Simplify right side
    263.13x = 61,664.97
  5. Step 5: Solve for x
    x = 61,664.97/263.13
  6. Step 6: Final answer
    x = 234.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.