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Finding the Fourth Proportional to 24.94, 37.26 and 19.88

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Solution

The fourth proportional to 24.94, 37.26 and 19.88 is: 29.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.94 : 37.26 = 19.88 : x
  2. Step 2: Convert to fraction form
    24.94/37.26 = 19.88/x
  3. Step 3: Cross multiply
    24.94x = 37.26 × 19.88
  4. Step 4: Simplify right side
    24.94x = 740.68
  5. Step 5: Solve for x
    x = 740.68/24.94
  6. Step 6: Final answer
    x = 29.70

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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.