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Finding the Fourth Proportional to 27.18, 37.30 and 24.74

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Solution

The fourth proportional to 27.18, 37.30 and 24.74 is: 33.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.18 : 37.30 = 24.74 : x
  2. Step 2: Convert to fraction form
    27.18/37.30 = 24.74/x
  3. Step 3: Cross multiply
    27.18x = 37.30 × 24.74
  4. Step 4: Simplify right side
    27.18x = 922.80
  5. Step 5: Solve for x
    x = 922.80/27.18
  6. Step 6: Final answer
    x = 33.95

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.