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Finding the Fourth Proportional to 625.43, 936.74 and 301.04

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Solution

The fourth proportional to 625.43, 936.74 and 301.04 is: 450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.43 : 936.74 = 301.04 : x
  2. Step 2: Convert to fraction form
    625.43/936.74 = 301.04/x
  3. Step 3: Cross multiply
    625.43x = 936.74 × 301.04
  4. Step 4: Simplify right side
    625.43x = 281,994.70
  5. Step 5: Solve for x
    x = 281,994.70/625.43
  6. Step 6: Final answer
    x = 450.88

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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.