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Finding the Fourth Proportional to 368.82, 505.31 and 329.94

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Solution

The fourth proportional to 368.82, 505.31 and 329.94 is: 452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.82 : 505.31 = 329.94 : x
  2. Step 2: Convert to fraction form
    368.82/505.31 = 329.94/x
  3. Step 3: Cross multiply
    368.82x = 505.31 × 329.94
  4. Step 4: Simplify right side
    368.82x = 166,720.33
  5. Step 5: Solve for x
    x = 166,720.33/368.82
  6. Step 6: Final answer
    x = 452.04

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