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Finding the Fourth Proportional to 445.23, 668.03 and 201.69

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Solution

The fourth proportional to 445.23, 668.03 and 201.69 is: 302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    445.23 : 668.03 = 201.69 : x
  2. Step 2: Convert to fraction form
    445.23/668.03 = 201.69/x
  3. Step 3: Cross multiply
    445.23x = 668.03 × 201.69
  4. Step 4: Simplify right side
    445.23x = 134,733.96
  5. Step 5: Solve for x
    x = 134,733.96/445.23
  6. Step 6: Final answer
    x = 302.62

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