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Finding the Fourth Proportional to 39.93, 60.18 and 37.14

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Solution

The fourth proportional to 39.93, 60.18 and 37.14 is: 55.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.93 : 60.18 = 37.14 : x
  2. Step 2: Convert to fraction form
    39.93/60.18 = 37.14/x
  3. Step 3: Cross multiply
    39.93x = 60.18 × 37.14
  4. Step 4: Simplify right side
    39.93x = 2,235.09
  5. Step 5: Solve for x
    x = 2,235.09/39.93
  6. Step 6: Final answer
    x = 55.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.