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Finding the Fourth Proportional to 347.22, 521.13 and 225.62

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Solution

The fourth proportional to 347.22, 521.13 and 225.62 is: 338.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.22 : 521.13 = 225.62 : x
  2. Step 2: Convert to fraction form
    347.22/521.13 = 225.62/x
  3. Step 3: Cross multiply
    347.22x = 521.13 × 225.62
  4. Step 4: Simplify right side
    347.22x = 117,577.55
  5. Step 5: Solve for x
    x = 117,577.55/347.22
  6. Step 6: Final answer
    x = 338.63

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