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Finding the Fourth Proportional to 100.22, 150.11 and 63.97

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Solution

The fourth proportional to 100.22, 150.11 and 63.97 is: 95.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100.22 : 150.11 = 63.97 : x
  2. Step 2: Convert to fraction form
    100.22/150.11 = 63.97/x
  3. Step 3: Cross multiply
    100.22x = 150.11 × 63.97
  4. Step 4: Simplify right side
    100.22x = 9,602.54
  5. Step 5: Solve for x
    x = 9,602.54/100.22
  6. Step 6: Final answer
    x = 95.81

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