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Finding the Fourth Proportional to 238.97, 332.00 and 236.09

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Solution

The fourth proportional to 238.97, 332.00 and 236.09 is: 327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.97 : 332.00 = 236.09 : x
  2. Step 2: Convert to fraction form
    238.97/332.00 = 236.09/x
  3. Step 3: Cross multiply
    238.97x = 332.00 × 236.09
  4. Step 4: Simplify right side
    238.97x = 78,379.04
  5. Step 5: Solve for x
    x = 78,379.04/238.97
  6. Step 6: Final answer
    x = 327.99

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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.