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Finding the Fourth Proportional to 323.29, 484.83 and 186.40

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Solution

The fourth proportional to 323.29, 484.83 and 186.40 is: 279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.29 : 484.83 = 186.40 : x
  2. Step 2: Convert to fraction form
    323.29/484.83 = 186.40/x
  3. Step 3: Cross multiply
    323.29x = 484.83 × 186.40
  4. Step 4: Simplify right side
    323.29x = 90,371.10
  5. Step 5: Solve for x
    x = 90,371.10/323.29
  6. Step 6: Final answer
    x = 279.54

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