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Finding the Fourth Proportional to 236.96, 354.71 and 179.40

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Solution

The fourth proportional to 236.96, 354.71 and 179.40 is: 268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.96 : 354.71 = 179.40 : x
  2. Step 2: Convert to fraction form
    236.96/354.71 = 179.40/x
  3. Step 3: Cross multiply
    236.96x = 354.71 × 179.40
  4. Step 4: Simplify right side
    236.96x = 63,634.97
  5. Step 5: Solve for x
    x = 63,634.97/236.96
  6. Step 6: Final answer
    x = 268.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.