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Finding the Fourth Proportional to 37.32, 56.31 and 35.70

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Solution

The fourth proportional to 37.32, 56.31 and 35.70 is: 53.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.32 : 56.31 = 35.70 : x
  2. Step 2: Convert to fraction form
    37.32/56.31 = 35.70/x
  3. Step 3: Cross multiply
    37.32x = 56.31 × 35.70
  4. Step 4: Simplify right side
    37.32x = 2,010.27
  5. Step 5: Solve for x
    x = 2,010.27/37.32
  6. Step 6: Final answer
    x = 53.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.