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Finding the Fourth Proportional to 293.72, 439.76 and 247.96

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Solution

The fourth proportional to 293.72, 439.76 and 247.96 is: 371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.72 : 439.76 = 247.96 : x
  2. Step 2: Convert to fraction form
    293.72/439.76 = 247.96/x
  3. Step 3: Cross multiply
    293.72x = 439.76 × 247.96
  4. Step 4: Simplify right side
    293.72x = 109,042.89
  5. Step 5: Solve for x
    x = 109,042.89/293.72
  6. Step 6: Final answer
    x = 371.25

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