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Finding the Fourth Proportional to 323.83, 485.97 and 118.57

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Solution

The fourth proportional to 323.83, 485.97 and 118.57 is: 177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.83 : 485.97 = 118.57 : x
  2. Step 2: Convert to fraction form
    323.83/485.97 = 118.57/x
  3. Step 3: Cross multiply
    323.83x = 485.97 × 118.57
  4. Step 4: Simplify right side
    323.83x = 57,620.25
  5. Step 5: Solve for x
    x = 57,620.25/323.83
  6. Step 6: Final answer
    x = 177.94

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