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Finding the Fourth Proportional to 38.04, 56.67 and 37.92

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Solution

The fourth proportional to 38.04, 56.67 and 37.92 is: 56.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.04 : 56.67 = 37.92 : x
  2. Step 2: Convert to fraction form
    38.04/56.67 = 37.92/x
  3. Step 3: Cross multiply
    38.04x = 56.67 × 37.92
  4. Step 4: Simplify right side
    38.04x = 2,148.93
  5. Step 5: Solve for x
    x = 2,148.93/38.04
  6. Step 6: Final answer
    x = 56.49

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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.