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Finding the Fourth Proportional to 37.91, 56.51 and 32.87

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Solution

The fourth proportional to 37.91, 56.51 and 32.87 is: 48.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.91 : 56.51 = 32.87 : x
  2. Step 2: Convert to fraction form
    37.91/56.51 = 32.87/x
  3. Step 3: Cross multiply
    37.91x = 56.51 × 32.87
  4. Step 4: Simplify right side
    37.91x = 1,857.04
  5. Step 5: Solve for x
    x = 1,857.04/37.91
  6. Step 6: Final answer
    x = 48.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.