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Finding the Fourth Proportional to 516.26, 774.15 and 191.54

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Solution

The fourth proportional to 516.26, 774.15 and 191.54 is: 287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.26 : 774.15 = 191.54 : x
  2. Step 2: Convert to fraction form
    516.26/774.15 = 191.54/x
  3. Step 3: Cross multiply
    516.26x = 774.15 × 191.54
  4. Step 4: Simplify right side
    516.26x = 148,280.69
  5. Step 5: Solve for x
    x = 148,280.69/516.26
  6. Step 6: Final answer
    x = 287.22

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