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Finding the Fourth Proportional to 37.78, 56.67 and 16.41

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Solution

The fourth proportional to 37.78, 56.67 and 16.41 is: 24.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.78 : 56.67 = 16.41 : x
  2. Step 2: Convert to fraction form
    37.78/56.67 = 16.41/x
  3. Step 3: Cross multiply
    37.78x = 56.67 × 16.41
  4. Step 4: Simplify right side
    37.78x = 929.78
  5. Step 5: Solve for x
    x = 929.78/37.78
  6. Step 6: Final answer
    x = 24.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.