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Finding the Fourth Proportional to 625.37, 937.96 and 192.38

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Solution

The fourth proportional to 625.37, 937.96 and 192.38 is: 288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.37 : 937.96 = 192.38 : x
  2. Step 2: Convert to fraction form
    625.37/937.96 = 192.38/x
  3. Step 3: Cross multiply
    625.37x = 937.96 × 192.38
  4. Step 4: Simplify right side
    625.37x = 180,439.57
  5. Step 5: Solve for x
    x = 180,439.57/625.37
  6. Step 6: Final answer
    x = 288.53

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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.