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Finding the Fourth Proportional to 37.77, 56.32 and 32.38

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Solution

The fourth proportional to 37.77, 56.32 and 32.38 is: 48.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.77 : 56.32 = 32.38 : x
  2. Step 2: Convert to fraction form
    37.77/56.32 = 32.38/x
  3. Step 3: Cross multiply
    37.77x = 56.32 × 32.38
  4. Step 4: Simplify right side
    37.77x = 1,823.64
  5. Step 5: Solve for x
    x = 1,823.64/37.77
  6. Step 6: Final answer
    x = 48.28

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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.