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Finding the Fourth Proportional to 17.52, 26.22 and 16.44

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Solution

The fourth proportional to 17.52, 26.22 and 16.44 is: 24.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.52 : 26.22 = 16.44 : x
  2. Step 2: Convert to fraction form
    17.52/26.22 = 16.44/x
  3. Step 3: Cross multiply
    17.52x = 26.22 × 16.44
  4. Step 4: Simplify right side
    17.52x = 431.06
  5. Step 5: Solve for x
    x = 431.06/17.52
  6. Step 6: Final answer
    x = 24.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.