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Finding the Fourth Proportional to 236.59, 327.76 and 230.92

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Solution

The fourth proportional to 236.59, 327.76 and 230.92 is: 319.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.59 : 327.76 = 230.92 : x
  2. Step 2: Convert to fraction form
    236.59/327.76 = 230.92/x
  3. Step 3: Cross multiply
    236.59x = 327.76 × 230.92
  4. Step 4: Simplify right side
    236.59x = 75,687.04
  5. Step 5: Solve for x
    x = 75,687.04/236.59
  6. Step 6: Final answer
    x = 319.91

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.