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Finding the Fourth Proportional to 24.36, 33.47 and 24.20

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Solution

The fourth proportional to 24.36, 33.47 and 24.20 is: 33.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.36 : 33.47 = 24.20 : x
  2. Step 2: Convert to fraction form
    24.36/33.47 = 24.20/x
  3. Step 3: Cross multiply
    24.36x = 33.47 × 24.20
  4. Step 4: Simplify right side
    24.36x = 809.97
  5. Step 5: Solve for x
    x = 809.97/24.36
  6. Step 6: Final answer
    x = 33.25

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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.