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Finding the Fourth Proportional to 404.44, 606.28 and 147.88

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Solution

The fourth proportional to 404.44, 606.28 and 147.88 is: 221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.44 : 606.28 = 147.88 : x
  2. Step 2: Convert to fraction form
    404.44/606.28 = 147.88/x
  3. Step 3: Cross multiply
    404.44x = 606.28 × 147.88
  4. Step 4: Simplify right side
    404.44x = 89,656.69
  5. Step 5: Solve for x
    x = 89,656.69/404.44
  6. Step 6: Final answer
    x = 221.68

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