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Finding the Fourth Proportional to 516.85, 775.11 and 151.55

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Solution

The fourth proportional to 516.85, 775.11 and 151.55 is: 227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.85 : 775.11 = 151.55 : x
  2. Step 2: Convert to fraction form
    516.85/775.11 = 151.55/x
  3. Step 3: Cross multiply
    516.85x = 775.11 × 151.55
  4. Step 4: Simplify right side
    516.85x = 117,464.04
  5. Step 5: Solve for x
    x = 117,464.04/516.85
  6. Step 6: Final answer
    x = 227.27

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