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Finding the Fourth Proportional to 294.32, 439.04 and 248.96

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Solution

The fourth proportional to 294.32, 439.04 and 248.96 is: 371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.32 : 439.04 = 248.96 : x
  2. Step 2: Convert to fraction form
    294.32/439.04 = 248.96/x
  3. Step 3: Cross multiply
    294.32x = 439.04 × 248.96
  4. Step 4: Simplify right side
    294.32x = 109,303.40
  5. Step 5: Solve for x
    x = 109,303.40/294.32
  6. Step 6: Final answer
    x = 371.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.