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Finding the Fourth Proportional to 441.03, 660.89 and 302.03

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Solution

The fourth proportional to 441.03, 660.89 and 302.03 is: 452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.03 : 660.89 = 302.03 : x
  2. Step 2: Convert to fraction form
    441.03/660.89 = 302.03/x
  3. Step 3: Cross multiply
    441.03x = 660.89 × 302.03
  4. Step 4: Simplify right side
    441.03x = 199,608.61
  5. Step 5: Solve for x
    x = 199,608.61/441.03
  6. Step 6: Final answer
    x = 452.60

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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.