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Finding the Fourth Proportional to 625.22, 937.74 and 365.34

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Solution

The fourth proportional to 625.22, 937.74 and 365.34 is: 547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.22 : 937.74 = 365.34 : x
  2. Step 2: Convert to fraction form
    625.22/937.74 = 365.34/x
  3. Step 3: Cross multiply
    625.22x = 937.74 × 365.34
  4. Step 4: Simplify right side
    625.22x = 342,593.93
  5. Step 5: Solve for x
    x = 342,593.93/625.22
  6. Step 6: Final answer
    x = 547.96

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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.