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Finding the Fourth Proportional to 299.97, 413.99 and 175.60

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Solution

The fourth proportional to 299.97, 413.99 and 175.60 is: 242.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.97 : 413.99 = 175.60 : x
  2. Step 2: Convert to fraction form
    299.97/413.99 = 175.60/x
  3. Step 3: Cross multiply
    299.97x = 413.99 × 175.60
  4. Step 4: Simplify right side
    299.97x = 72,696.64
  5. Step 5: Solve for x
    x = 72,696.64/299.97
  6. Step 6: Final answer
    x = 242.35

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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.