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Finding the Fourth Proportional to 299.83, 413.74 and 167.05

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Solution

The fourth proportional to 299.83, 413.74 and 167.05 is: 230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.83 : 413.74 = 167.05 : x
  2. Step 2: Convert to fraction form
    299.83/413.74 = 167.05/x
  3. Step 3: Cross multiply
    299.83x = 413.74 × 167.05
  4. Step 4: Simplify right side
    299.83x = 69,115.27
  5. Step 5: Solve for x
    x = 69,115.27/299.83
  6. Step 6: Final answer
    x = 230.51

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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.