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Finding the Fourth Proportional to 273.50, 376.91 and 175.09

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Solution

The fourth proportional to 273.50, 376.91 and 175.09 is: 241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.50 : 376.91 = 175.09 : x
  2. Step 2: Convert to fraction form
    273.50/376.91 = 175.09/x
  3. Step 3: Cross multiply
    273.50x = 376.91 × 175.09
  4. Step 4: Simplify right side
    273.50x = 65,990.41
  5. Step 5: Solve for x
    x = 65,990.41/273.50
  6. Step 6: Final answer
    x = 241.28

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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.