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Finding the Fourth Proportional to 274.22, 413.05 and 249.98

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Solution

The fourth proportional to 274.22, 413.05 and 249.98 is: 376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.22 : 413.05 = 249.98 : x
  2. Step 2: Convert to fraction form
    274.22/413.05 = 249.98/x
  3. Step 3: Cross multiply
    274.22x = 413.05 × 249.98
  4. Step 4: Simplify right side
    274.22x = 103,252.99
  5. Step 5: Solve for x
    x = 103,252.99/274.22
  6. Step 6: Final answer
    x = 376.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.