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Finding the Fourth Proportional to 625.07, 937.78 and 365.02

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Solution

The fourth proportional to 625.07, 937.78 and 365.02 is: 547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.07 : 937.78 = 365.02 : x
  2. Step 2: Convert to fraction form
    625.07/937.78 = 365.02/x
  3. Step 3: Cross multiply
    625.07x = 937.78 × 365.02
  4. Step 4: Simplify right side
    625.07x = 342,305.20
  5. Step 5: Solve for x
    x = 342,305.20/625.07
  6. Step 6: Final answer
    x = 547.62

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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.