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Finding the Fourth Proportional to 264.66, 397.19 and 203.91

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Solution

The fourth proportional to 264.66, 397.19 and 203.91 is: 306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.66 : 397.19 = 203.91 : x
  2. Step 2: Convert to fraction form
    264.66/397.19 = 203.91/x
  3. Step 3: Cross multiply
    264.66x = 397.19 × 203.91
  4. Step 4: Simplify right side
    264.66x = 80,991.01
  5. Step 5: Solve for x
    x = 80,991.01/264.66
  6. Step 6: Final answer
    x = 306.02

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