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Finding the Fourth Proportional to 403.23, 604.42 and 159.42

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Solution

The fourth proportional to 403.23, 604.42 and 159.42 is: 238.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.23 : 604.42 = 159.42 : x
  2. Step 2: Convert to fraction form
    403.23/604.42 = 159.42/x
  3. Step 3: Cross multiply
    403.23x = 604.42 × 159.42
  4. Step 4: Simplify right side
    403.23x = 96,356.64
  5. Step 5: Solve for x
    x = 96,356.64/403.23
  6. Step 6: Final answer
    x = 238.96

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