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Finding the Fourth Proportional to 300.85, 450.29 and 163.55

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Solution

The fourth proportional to 300.85, 450.29 and 163.55 is: 244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.85 : 450.29 = 163.55 : x
  2. Step 2: Convert to fraction form
    300.85/450.29 = 163.55/x
  3. Step 3: Cross multiply
    300.85x = 450.29 × 163.55
  4. Step 4: Simplify right side
    300.85x = 73,646.46
  5. Step 5: Solve for x
    x = 73,646.46/300.85
  6. Step 6: Final answer
    x = 244.80

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