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Finding the Fourth Proportional to 275.22, 412.08 and 223.74

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Solution

The fourth proportional to 275.22, 412.08 and 223.74 is: 335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.22 : 412.08 = 223.74 : x
  2. Step 2: Convert to fraction form
    275.22/412.08 = 223.74/x
  3. Step 3: Cross multiply
    275.22x = 412.08 × 223.74
  4. Step 4: Simplify right side
    275.22x = 92,198.78
  5. Step 5: Solve for x
    x = 92,198.78/275.22
  6. Step 6: Final answer
    x = 335.00

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