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Finding the Fourth Proportional to 233, 321.66 and 159.42

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Solution

The fourth proportional to 233, 321.66 and 159.42 is: 220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    233 : 321.66 = 159.42 : x
  2. Step 2: Convert to fraction form
    233/321.66 = 159.42/x
  3. Step 3: Cross multiply
    233x = 321.66 × 159.42
  4. Step 4: Simplify right side
    233x = 51,279.04
  5. Step 5: Solve for x
    x = 51,279.04/233
  6. Step 6: Final answer
    x = 220.08

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