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Finding the Fourth Proportional to 633.99, 951.17 and 309.54

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Solution

The fourth proportional to 633.99, 951.17 and 309.54 is: 464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.99 : 951.17 = 309.54 : x
  2. Step 2: Convert to fraction form
    633.99/951.17 = 309.54/x
  3. Step 3: Cross multiply
    633.99x = 951.17 × 309.54
  4. Step 4: Simplify right side
    633.99x = 294,425.16
  5. Step 5: Solve for x
    x = 294,425.16/633.99
  6. Step 6: Final answer
    x = 464.40

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