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Finding the Fourth Proportional to 273.80, 377.75 and 175.61

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Solution

The fourth proportional to 273.80, 377.75 and 175.61 is: 242.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.80 : 377.75 = 175.61 : x
  2. Step 2: Convert to fraction form
    273.80/377.75 = 175.61/x
  3. Step 3: Cross multiply
    273.80x = 377.75 × 175.61
  4. Step 4: Simplify right side
    273.80x = 66,338.08
  5. Step 5: Solve for x
    x = 66,338.08/273.80
  6. Step 6: Final answer
    x = 242.28

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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.