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Finding the Fourth Proportional to 17.22, 23.77 and 10.75

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Solution

The fourth proportional to 17.22, 23.77 and 10.75 is: 14.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.22 : 23.77 = 10.75 : x
  2. Step 2: Convert to fraction form
    17.22/23.77 = 10.75/x
  3. Step 3: Cross multiply
    17.22x = 23.77 × 10.75
  4. Step 4: Simplify right side
    17.22x = 255.53
  5. Step 5: Solve for x
    x = 255.53/17.22
  6. Step 6: Final answer
    x = 14.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.