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Finding the Fourth Proportional to 37.25, 51.26 and 35.92

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Solution

The fourth proportional to 37.25, 51.26 and 35.92 is: 49.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.25 : 51.26 = 35.92 : x
  2. Step 2: Convert to fraction form
    37.25/51.26 = 35.92/x
  3. Step 3: Cross multiply
    37.25x = 51.26 × 35.92
  4. Step 4: Simplify right side
    37.25x = 1,841.10
  5. Step 5: Solve for x
    x = 1,841.10/37.25
  6. Step 6: Final answer
    x = 49.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.