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Finding the Fourth Proportional to 131.46, 197.37 and 101.22

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Solution

The fourth proportional to 131.46, 197.37 and 101.22 is: 151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.46 : 197.37 = 101.22 : x
  2. Step 2: Convert to fraction form
    131.46/197.37 = 101.22/x
  3. Step 3: Cross multiply
    131.46x = 197.37 × 101.22
  4. Step 4: Simplify right side
    131.46x = 19,977.79
  5. Step 5: Solve for x
    x = 19,977.79/131.46
  6. Step 6: Final answer
    x = 151.97

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