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Finding the Fourth Proportional to 236.38, 326.32 and 178.18

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Solution

The fourth proportional to 236.38, 326.32 and 178.18 is: 245.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.38 : 326.32 = 178.18 : x
  2. Step 2: Convert to fraction form
    236.38/326.32 = 178.18/x
  3. Step 3: Cross multiply
    236.38x = 326.32 × 178.18
  4. Step 4: Simplify right side
    236.38x = 58,143.70
  5. Step 5: Solve for x
    x = 58,143.70/236.38
  6. Step 6: Final answer
    x = 245.98

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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.