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Finding the Fourth Proportional to 616.09, 850.15 and 350.54

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Solution

The fourth proportional to 616.09, 850.15 and 350.54 is: 483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.09 : 850.15 = 350.54 : x
  2. Step 2: Convert to fraction form
    616.09/850.15 = 350.54/x
  3. Step 3: Cross multiply
    616.09x = 850.15 × 350.54
  4. Step 4: Simplify right side
    616.09x = 298,011.58
  5. Step 5: Solve for x
    x = 298,011.58/616.09
  6. Step 6: Final answer
    x = 483.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.