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Finding the Fourth Proportional to 252.09, 375.86 and 236.61

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Solution

The fourth proportional to 252.09, 375.86 and 236.61 is: 352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.09 : 375.86 = 236.61 : x
  2. Step 2: Convert to fraction form
    252.09/375.86 = 236.61/x
  3. Step 3: Cross multiply
    252.09x = 375.86 × 236.61
  4. Step 4: Simplify right side
    252.09x = 88,931.05
  5. Step 5: Solve for x
    x = 88,931.05/252.09
  6. Step 6: Final answer
    x = 352.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.