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Finding the Fourth Proportional to 323.08, 484.68 and 130.84

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Solution

The fourth proportional to 323.08, 484.68 and 130.84 is: 196.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.08 : 484.68 = 130.84 : x
  2. Step 2: Convert to fraction form
    323.08/484.68 = 130.84/x
  3. Step 3: Cross multiply
    323.08x = 484.68 × 130.84
  4. Step 4: Simplify right side
    323.08x = 63,415.53
  5. Step 5: Solve for x
    x = 63,415.53/323.08
  6. Step 6: Final answer
    x = 196.28

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