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Finding the Fourth Proportional to 492.73, 679.68 and 359.80

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Solution

The fourth proportional to 492.73, 679.68 and 359.80 is: 496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.73 : 679.68 = 359.80 : x
  2. Step 2: Convert to fraction form
    492.73/679.68 = 359.80/x
  3. Step 3: Cross multiply
    492.73x = 679.68 × 359.80
  4. Step 4: Simplify right side
    492.73x = 244,547.16
  5. Step 5: Solve for x
    x = 244,547.16/492.73
  6. Step 6: Final answer
    x = 496.31

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