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Finding the Fourth Proportional to 263.06, 394.54 and 108.96

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Solution

The fourth proportional to 263.06, 394.54 and 108.96 is: 163.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.06 : 394.54 = 108.96 : x
  2. Step 2: Convert to fraction form
    263.06/394.54 = 108.96/x
  3. Step 3: Cross multiply
    263.06x = 394.54 × 108.96
  4. Step 4: Simplify right side
    263.06x = 42,987.33
  5. Step 5: Solve for x
    x = 42,987.33/263.06
  6. Step 6: Final answer
    x = 163.41

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