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Finding the Fourth Proportional to 24.83, 34.25 and 16.64

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Solution

The fourth proportional to 24.83, 34.25 and 16.64 is: 22.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.83 : 34.25 = 16.64 : x
  2. Step 2: Convert to fraction form
    24.83/34.25 = 16.64/x
  3. Step 3: Cross multiply
    24.83x = 34.25 × 16.64
  4. Step 4: Simplify right side
    24.83x = 569.98
  5. Step 5: Solve for x
    x = 569.98/24.83
  6. Step 6: Final answer
    x = 22.96

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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.