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Finding the Fourth Proportional to 383.24, 573.94 and 220.43

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Solution

The fourth proportional to 383.24, 573.94 and 220.43 is: 330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.24 : 573.94 = 220.43 : x
  2. Step 2: Convert to fraction form
    383.24/573.94 = 220.43/x
  3. Step 3: Cross multiply
    383.24x = 573.94 × 220.43
  4. Step 4: Simplify right side
    383.24x = 126,513.59
  5. Step 5: Solve for x
    x = 126,513.59/383.24
  6. Step 6: Final answer
    x = 330.12

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