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Finding the Fourth Proportional to 178.29, 267.18 and 101.21

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Solution

The fourth proportional to 178.29, 267.18 and 101.21 is: 151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.29 : 267.18 = 101.21 : x
  2. Step 2: Convert to fraction form
    178.29/267.18 = 101.21/x
  3. Step 3: Cross multiply
    178.29x = 267.18 × 101.21
  4. Step 4: Simplify right side
    178.29x = 27,039.95
  5. Step 5: Solve for x
    x = 27,039.95/178.29
  6. Step 6: Final answer
    x = 151.66

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