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Finding the Fourth Proportional to 298.04, 443.68 and 296.42

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Solution

The fourth proportional to 298.04, 443.68 and 296.42 is: 441.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.04 : 443.68 = 296.42 : x
  2. Step 2: Convert to fraction form
    298.04/443.68 = 296.42/x
  3. Step 3: Cross multiply
    298.04x = 443.68 × 296.42
  4. Step 4: Simplify right side
    298.04x = 131,515.63
  5. Step 5: Solve for x
    x = 131,515.63/298.04
  6. Step 6: Final answer
    x = 441.27

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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.