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Finding the Fourth Proportional to 24.64, 33.99 and 18.19

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Solution

The fourth proportional to 24.64, 33.99 and 18.19 is: 25.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.64 : 33.99 = 18.19 : x
  2. Step 2: Convert to fraction form
    24.64/33.99 = 18.19/x
  3. Step 3: Cross multiply
    24.64x = 33.99 × 18.19
  4. Step 4: Simplify right side
    24.64x = 618.28
  5. Step 5: Solve for x
    x = 618.28/24.64
  6. Step 6: Final answer
    x = 25.09

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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.