Home / 175.20-260.55-173.37

Finding the Fourth Proportional to 175.20, 260.55 and 173.37

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Solution

The fourth proportional to 175.20, 260.55 and 173.37 is: 257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.20 : 260.55 = 173.37 : x
  2. Step 2: Convert to fraction form
    175.20/260.55 = 173.37/x
  3. Step 3: Cross multiply
    175.20x = 260.55 × 173.37
  4. Step 4: Simplify right side
    175.20x = 45,171.55
  5. Step 5: Solve for x
    x = 45,171.55/175.20
  6. Step 6: Final answer
    x = 257.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.