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Finding the Fourth Proportional to 232.31, 320.60 and 166.93

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Solution

The fourth proportional to 232.31, 320.60 and 166.93 is: 230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.31 : 320.60 = 166.93 : x
  2. Step 2: Convert to fraction form
    232.31/320.60 = 166.93/x
  3. Step 3: Cross multiply
    232.31x = 320.60 × 166.93
  4. Step 4: Simplify right side
    232.31x = 53,517.37
  5. Step 5: Solve for x
    x = 53,517.37/232.31
  6. Step 6: Final answer
    x = 230.37

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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.