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Finding the Fourth Proportional to 37.13, 51.31 and 35.83

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Solution

The fourth proportional to 37.13, 51.31 and 35.83 is: 49.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.13 : 51.31 = 35.83 : x
  2. Step 2: Convert to fraction form
    37.13/51.31 = 35.83/x
  3. Step 3: Cross multiply
    37.13x = 51.31 × 35.83
  4. Step 4: Simplify right side
    37.13x = 1,838.44
  5. Step 5: Solve for x
    x = 1,838.44/37.13
  6. Step 6: Final answer
    x = 49.51

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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.