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Finding the Fourth Proportional to 625.06, 937.62 and 488.44

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Solution

The fourth proportional to 625.06, 937.62 and 488.44 is: 732.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.06 : 937.62 = 488.44 : x
  2. Step 2: Convert to fraction form
    625.06/937.62 = 488.44/x
  3. Step 3: Cross multiply
    625.06x = 937.62 × 488.44
  4. Step 4: Simplify right side
    625.06x = 457,971.11
  5. Step 5: Solve for x
    x = 457,971.11/625.06
  6. Step 6: Final answer
    x = 732.68

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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.