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Finding the Fourth Proportional to 36.35, 54.19 and 34.73

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Solution

The fourth proportional to 36.35, 54.19 and 34.73 is: 51.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.35 : 54.19 = 34.73 : x
  2. Step 2: Convert to fraction form
    36.35/54.19 = 34.73/x
  3. Step 3: Cross multiply
    36.35x = 54.19 × 34.73
  4. Step 4: Simplify right side
    36.35x = 1,882.02
  5. Step 5: Solve for x
    x = 1,882.02/36.35
  6. Step 6: Final answer
    x = 51.77

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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.