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Finding the Fourth Proportional to 37.38, 51.85 and 36.16

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Solution

The fourth proportional to 37.38, 51.85 and 36.16 is: 50.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.38 : 51.85 = 36.16 : x
  2. Step 2: Convert to fraction form
    37.38/51.85 = 36.16/x
  3. Step 3: Cross multiply
    37.38x = 51.85 × 36.16
  4. Step 4: Simplify right side
    37.38x = 1,874.90
  5. Step 5: Solve for x
    x = 1,874.90/37.38
  6. Step 6: Final answer
    x = 50.16

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.