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Finding the Fourth Proportional to 629.12, 943.72 and 263.54

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Solution

The fourth proportional to 629.12, 943.72 and 263.54 is: 395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.12 : 943.72 = 263.54 : x
  2. Step 2: Convert to fraction form
    629.12/943.72 = 263.54/x
  3. Step 3: Cross multiply
    629.12x = 943.72 × 263.54
  4. Step 4: Simplify right side
    629.12x = 248,709.67
  5. Step 5: Solve for x
    x = 248,709.67/629.12
  6. Step 6: Final answer
    x = 395.33

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