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Finding the Fourth Proportional to 36.96, 55.17 and 33.55

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Solution

The fourth proportional to 36.96, 55.17 and 33.55 is: 50.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.96 : 55.17 = 33.55 : x
  2. Step 2: Convert to fraction form
    36.96/55.17 = 33.55/x
  3. Step 3: Cross multiply
    36.96x = 55.17 × 33.55
  4. Step 4: Simplify right side
    36.96x = 1,850.95
  5. Step 5: Solve for x
    x = 1,850.95/36.96
  6. Step 6: Final answer
    x = 50.08

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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.