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Finding the Fourth Proportional to 441.28, 608.98 and 242.12

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Solution

The fourth proportional to 441.28, 608.98 and 242.12 is: 334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.28 : 608.98 = 242.12 : x
  2. Step 2: Convert to fraction form
    441.28/608.98 = 242.12/x
  3. Step 3: Cross multiply
    441.28x = 608.98 × 242.12
  4. Step 4: Simplify right side
    441.28x = 147,446.24
  5. Step 5: Solve for x
    x = 147,446.24/441.28
  6. Step 6: Final answer
    x = 334.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.