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Finding the Fourth Proportional to 39.95, 60.22 and 37.34

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Solution

The fourth proportional to 39.95, 60.22 and 37.34 is: 56.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.95 : 60.22 = 37.34 : x
  2. Step 2: Convert to fraction form
    39.95/60.22 = 37.34/x
  3. Step 3: Cross multiply
    39.95x = 60.22 × 37.34
  4. Step 4: Simplify right side
    39.95x = 2,248.22
  5. Step 5: Solve for x
    x = 2,248.22/39.95
  6. Step 6: Final answer
    x = 56.28

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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.