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Finding the Fourth Proportional to 490.29, 735.25 and 161.16

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Solution

The fourth proportional to 490.29, 735.25 and 161.16 is: 241.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    490.29 : 735.25 = 161.16 : x
  2. Step 2: Convert to fraction form
    490.29/735.25 = 161.16/x
  3. Step 3: Cross multiply
    490.29x = 735.25 × 161.16
  4. Step 4: Simplify right side
    490.29x = 118,492.89
  5. Step 5: Solve for x
    x = 118,492.89/490.29
  6. Step 6: Final answer
    x = 241.68

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