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Finding the Fourth Proportional to 37.52, 56.28 and 13.46

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Solution

The fourth proportional to 37.52, 56.28 and 13.46 is: 20.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.52 : 56.28 = 13.46 : x
  2. Step 2: Convert to fraction form
    37.52/56.28 = 13.46/x
  3. Step 3: Cross multiply
    37.52x = 56.28 × 13.46
  4. Step 4: Simplify right side
    37.52x = 757.53
  5. Step 5: Solve for x
    x = 757.53/37.52
  6. Step 6: Final answer
    x = 20.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.