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Finding the Fourth Proportional to 551.45, 826.47 and 226.43

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Solution

The fourth proportional to 551.45, 826.47 and 226.43 is: 339.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.45 : 826.47 = 226.43 : x
  2. Step 2: Convert to fraction form
    551.45/826.47 = 226.43/x
  3. Step 3: Cross multiply
    551.45x = 826.47 × 226.43
  4. Step 4: Simplify right side
    551.45x = 187,137.60
  5. Step 5: Solve for x
    x = 187,137.60/551.45
  6. Step 6: Final answer
    x = 339.36

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