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Finding the Fourth Proportional to 325.32, 487.83 and 119.75

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Solution

The fourth proportional to 325.32, 487.83 and 119.75 is: 179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.32 : 487.83 = 119.75 : x
  2. Step 2: Convert to fraction form
    325.32/487.83 = 119.75/x
  3. Step 3: Cross multiply
    325.32x = 487.83 × 119.75
  4. Step 4: Simplify right side
    325.32x = 58,415.20
  5. Step 5: Solve for x
    x = 58,415.20/325.32
  6. Step 6: Final answer
    x = 179.56

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