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Finding the Fourth Proportional to 299.54, 413.42 and 175.24

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Solution

The fourth proportional to 299.54, 413.42 and 175.24 is: 241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.54 : 413.42 = 175.24 : x
  2. Step 2: Convert to fraction form
    299.54/413.42 = 175.24/x
  3. Step 3: Cross multiply
    299.54x = 413.42 × 175.24
  4. Step 4: Simplify right side
    299.54x = 72,447.72
  5. Step 5: Solve for x
    x = 72,447.72/299.54
  6. Step 6: Final answer
    x = 241.86

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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.