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Finding the Fourth Proportional to 439.71, 606.47 and 273.93

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Solution

The fourth proportional to 439.71, 606.47 and 273.93 is: 377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.71 : 606.47 = 273.93 : x
  2. Step 2: Convert to fraction form
    439.71/606.47 = 273.93/x
  3. Step 3: Cross multiply
    439.71x = 606.47 × 273.93
  4. Step 4: Simplify right side
    439.71x = 166,128.96
  5. Step 5: Solve for x
    x = 166,128.96/439.71
  6. Step 6: Final answer
    x = 377.81

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