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Finding the Fourth Proportional to 441.52, 662.04 and 248.80

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Solution

The fourth proportional to 441.52, 662.04 and 248.80 is: 373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.52 : 662.04 = 248.80 : x
  2. Step 2: Convert to fraction form
    441.52/662.04 = 248.80/x
  3. Step 3: Cross multiply
    441.52x = 662.04 × 248.80
  4. Step 4: Simplify right side
    441.52x = 164,715.55
  5. Step 5: Solve for x
    x = 164,715.55/441.52
  6. Step 6: Final answer
    x = 373.06

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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.