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Finding the Fourth Proportional to 294.16, 440.76 and 248.56

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Solution

The fourth proportional to 294.16, 440.76 and 248.56 is: 372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.16 : 440.76 = 248.56 : x
  2. Step 2: Convert to fraction form
    294.16/440.76 = 248.56/x
  3. Step 3: Cross multiply
    294.16x = 440.76 × 248.56
  4. Step 4: Simplify right side
    294.16x = 109,555.31
  5. Step 5: Solve for x
    x = 109,555.31/294.16
  6. Step 6: Final answer
    x = 372.43

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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.