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Finding the Fourth Proportional to 26.44, 36.45 and 22.33

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Solution

The fourth proportional to 26.44, 36.45 and 22.33 is: 30.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.44 : 36.45 = 22.33 : x
  2. Step 2: Convert to fraction form
    26.44/36.45 = 22.33/x
  3. Step 3: Cross multiply
    26.44x = 36.45 × 22.33
  4. Step 4: Simplify right side
    26.44x = 813.93
  5. Step 5: Solve for x
    x = 813.93/26.44
  6. Step 6: Final answer
    x = 30.78

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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.