Home / 481.23-721.41-173.01

Finding the Fourth Proportional to 481.23, 721.41 and 173.01

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Solution

The fourth proportional to 481.23, 721.41 and 173.01 is: 259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.23 : 721.41 = 173.01 : x
  2. Step 2: Convert to fraction form
    481.23/721.41 = 173.01/x
  3. Step 3: Cross multiply
    481.23x = 721.41 × 173.01
  4. Step 4: Simplify right side
    481.23x = 124,811.14
  5. Step 5: Solve for x
    x = 124,811.14/481.23
  6. Step 6: Final answer
    x = 259.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.