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Finding the Fourth Proportional to 293.37, 440.66 and 247.80

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Solution

The fourth proportional to 293.37, 440.66 and 247.80 is: 372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.37 : 440.66 = 247.80 : x
  2. Step 2: Convert to fraction form
    293.37/440.66 = 247.80/x
  3. Step 3: Cross multiply
    293.37x = 440.66 × 247.80
  4. Step 4: Simplify right side
    293.37x = 109,194.31
  5. Step 5: Solve for x
    x = 109,194.31/293.37
  6. Step 6: Final answer
    x = 372.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.