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Finding the Fourth Proportional to 514.82, 772.22 and 254.94

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Solution

The fourth proportional to 514.82, 772.22 and 254.94 is: 382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    514.82 : 772.22 = 254.94 : x
  2. Step 2: Convert to fraction form
    514.82/772.22 = 254.94/x
  3. Step 3: Cross multiply
    514.82x = 772.22 × 254.94
  4. Step 4: Simplify right side
    514.82x = 196,869.77
  5. Step 5: Solve for x
    x = 196,869.77/514.82
  6. Step 6: Final answer
    x = 382.41

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