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Finding the Fourth Proportional to 22.60, 33.94 and 17.26

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Solution

The fourth proportional to 22.60, 33.94 and 17.26 is: 25.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.60 : 33.94 = 17.26 : x
  2. Step 2: Convert to fraction form
    22.60/33.94 = 17.26/x
  3. Step 3: Cross multiply
    22.60x = 33.94 × 17.26
  4. Step 4: Simplify right side
    22.60x = 585.80
  5. Step 5: Solve for x
    x = 585.80/22.60
  6. Step 6: Final answer
    x = 25.92

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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.