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Finding the Fourth Proportional to 24.23, 33.38 and 18.39

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Solution

The fourth proportional to 24.23, 33.38 and 18.39 is: 25.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.23 : 33.38 = 18.39 : x
  2. Step 2: Convert to fraction form
    24.23/33.38 = 18.39/x
  3. Step 3: Cross multiply
    24.23x = 33.38 × 18.39
  4. Step 4: Simplify right side
    24.23x = 613.96
  5. Step 5: Solve for x
    x = 613.96/24.23
  6. Step 6: Final answer
    x = 25.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.