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Finding the Fourth Proportional to 470.44, 649.21 and 263.44

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Solution

The fourth proportional to 470.44, 649.21 and 263.44 is: 363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.44 : 649.21 = 263.44 : x
  2. Step 2: Convert to fraction form
    470.44/649.21 = 263.44/x
  3. Step 3: Cross multiply
    470.44x = 649.21 × 263.44
  4. Step 4: Simplify right side
    470.44x = 171,025.60
  5. Step 5: Solve for x
    x = 171,025.60/470.44
  6. Step 6: Final answer
    x = 363.55

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