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Finding the Fourth Proportional to 338, 505.96 and 234.96

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Solution

The fourth proportional to 338, 505.96 and 234.96 is: 351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    338 : 505.96 = 234.96 : x
  2. Step 2: Convert to fraction form
    338/505.96 = 234.96/x
  3. Step 3: Cross multiply
    338x = 505.96 × 234.96
  4. Step 4: Simplify right side
    338x = 118,880.36
  5. Step 5: Solve for x
    x = 118,880.36/338
  6. Step 6: Final answer
    x = 351.72

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