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Finding the Fourth Proportional to 273.70, 377.70 and 175.48

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Solution

The fourth proportional to 273.70, 377.70 and 175.48 is: 242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.70 : 377.70 = 175.48 : x
  2. Step 2: Convert to fraction form
    273.70/377.70 = 175.48/x
  3. Step 3: Cross multiply
    273.70x = 377.70 × 175.48
  4. Step 4: Simplify right side
    273.70x = 66,278.80
  5. Step 5: Solve for x
    x = 66,278.80/273.70
  6. Step 6: Final answer
    x = 242.16

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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.