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Finding the Fourth Proportional to 169.02, 232.92 and 167.13

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Solution

The fourth proportional to 169.02, 232.92 and 167.13 is: 230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.02 : 232.92 = 167.13 : x
  2. Step 2: Convert to fraction form
    169.02/232.92 = 167.13/x
  3. Step 3: Cross multiply
    169.02x = 232.92 × 167.13
  4. Step 4: Simplify right side
    169.02x = 38,927.92
  5. Step 5: Solve for x
    x = 38,927.92/169.02
  6. Step 6: Final answer
    x = 230.32

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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.