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Finding the Fourth Proportional to 516.11, 774.16 and 131.36

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Solution

The fourth proportional to 516.11, 774.16 and 131.36 is: 197.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.11 : 774.16 = 131.36 : x
  2. Step 2: Convert to fraction form
    516.11/774.16 = 131.36/x
  3. Step 3: Cross multiply
    516.11x = 774.16 × 131.36
  4. Step 4: Simplify right side
    516.11x = 101,689.46
  5. Step 5: Solve for x
    x = 101,689.46/516.11
  6. Step 6: Final answer
    x = 197.03

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