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Finding the Fourth Proportional to 394.11, 591.03 and 150.72

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Solution

The fourth proportional to 394.11, 591.03 and 150.72 is: 226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.11 : 591.03 = 150.72 : x
  2. Step 2: Convert to fraction form
    394.11/591.03 = 150.72/x
  3. Step 3: Cross multiply
    394.11x = 591.03 × 150.72
  4. Step 4: Simplify right side
    394.11x = 89,080.04
  5. Step 5: Solve for x
    x = 89,080.04/394.11
  6. Step 6: Final answer
    x = 226.03

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