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Finding the Fourth Proportional to 353.12, 529.20 and 224.64

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Solution

The fourth proportional to 353.12, 529.20 and 224.64 is: 336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.12 : 529.20 = 224.64 : x
  2. Step 2: Convert to fraction form
    353.12/529.20 = 224.64/x
  3. Step 3: Cross multiply
    353.12x = 529.20 × 224.64
  4. Step 4: Simplify right side
    353.12x = 118,879.49
  5. Step 5: Solve for x
    x = 118,879.49/353.12
  6. Step 6: Final answer
    x = 336.65

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