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Finding the Fourth Proportional to 237.96, 355.50 and 236.61

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Solution

The fourth proportional to 237.96, 355.50 and 236.61 is: 353.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.96 : 355.50 = 236.61 : x
  2. Step 2: Convert to fraction form
    237.96/355.50 = 236.61/x
  3. Step 3: Cross multiply
    237.96x = 355.50 × 236.61
  4. Step 4: Simplify right side
    237.96x = 84,114.86
  5. Step 5: Solve for x
    x = 84,114.86/237.96
  6. Step 6: Final answer
    x = 353.48

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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.