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Finding the Fourth Proportional to 937.67, 1,406.37 and 244.38

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Solution

The fourth proportional to 937.67, 1,406.37 and 244.38 is: 366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.67 : 1,406.37 = 244.38 : x
  2. Step 2: Convert to fraction form
    937.67/1,406.37 = 244.38/x
  3. Step 3: Cross multiply
    937.67x = 1,406.37 × 244.38
  4. Step 4: Simplify right side
    937.67x = 343,688.70
  5. Step 5: Solve for x
    x = 343,688.70/937.67
  6. Step 6: Final answer
    x = 366.54

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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.