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Finding the Fourth Proportional to 37.56, 52.11 and 37.28

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Solution

The fourth proportional to 37.56, 52.11 and 37.28 is: 51.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.56 : 52.11 = 37.28 : x
  2. Step 2: Convert to fraction form
    37.56/52.11 = 37.28/x
  3. Step 3: Cross multiply
    37.56x = 52.11 × 37.28
  4. Step 4: Simplify right side
    37.56x = 1,942.66
  5. Step 5: Solve for x
    x = 1,942.66/37.56
  6. Step 6: Final answer
    x = 51.72

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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.