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Finding the Fourth Proportional to 22.69, 34 and 18.19

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Solution

The fourth proportional to 22.69, 34 and 18.19 is: 27.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.69 : 34 = 18.19 : x
  2. Step 2: Convert to fraction form
    22.69/34 = 18.19/x
  3. Step 3: Cross multiply
    22.69x = 34 × 18.19
  4. Step 4: Simplify right side
    22.69x = 618.46
  5. Step 5: Solve for x
    x = 618.46/22.69
  6. Step 6: Final answer
    x = 27.26

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