Home / 269.48-403.92-115.54

Finding the Fourth Proportional to 269.48, 403.92 and 115.54

Calculator

Solution

The fourth proportional to 269.48, 403.92 and 115.54 is: 173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.48 : 403.92 = 115.54 : x
  2. Step 2: Convert to fraction form
    269.48/403.92 = 115.54/x
  3. Step 3: Cross multiply
    269.48x = 403.92 × 115.54
  4. Step 4: Simplify right side
    269.48x = 46,668.92
  5. Step 5: Solve for x
    x = 46,668.92/269.48
  6. Step 6: Final answer
    x = 173.18

Related Problems

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.