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Finding the Fourth Proportional to 516.09, 774.26 and 169.43

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Solution

The fourth proportional to 516.09, 774.26 and 169.43 is: 254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.09 : 774.26 = 169.43 : x
  2. Step 2: Convert to fraction form
    516.09/774.26 = 169.43/x
  3. Step 3: Cross multiply
    516.09x = 774.26 × 169.43
  4. Step 4: Simplify right side
    516.09x = 131,182.87
  5. Step 5: Solve for x
    x = 131,182.87/516.09
  6. Step 6: Final answer
    x = 254.19

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