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Finding the Fourth Proportional to 625.24, 937.90 and 300.68

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Solution

The fourth proportional to 625.24, 937.90 and 300.68 is: 451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.24 : 937.90 = 300.68 : x
  2. Step 2: Convert to fraction form
    625.24/937.90 = 300.68/x
  3. Step 3: Cross multiply
    625.24x = 937.90 × 300.68
  4. Step 4: Simplify right side
    625.24x = 282,007.77
  5. Step 5: Solve for x
    x = 282,007.77/625.24
  6. Step 6: Final answer
    x = 451.04

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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.