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Finding the Fourth Proportional to 497.73, 686.58 and 323.07

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Solution

The fourth proportional to 497.73, 686.58 and 323.07 is: 445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.73 : 686.58 = 323.07 : x
  2. Step 2: Convert to fraction form
    497.73/686.58 = 323.07/x
  3. Step 3: Cross multiply
    497.73x = 686.58 × 323.07
  4. Step 4: Simplify right side
    497.73x = 221,813.40
  5. Step 5: Solve for x
    x = 221,813.40/497.73
  6. Step 6: Final answer
    x = 445.65

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