Home / 443.38-664.66-226.48

Finding the Fourth Proportional to 443.38, 664.66 and 226.48

Calculator

Solution

The fourth proportional to 443.38, 664.66 and 226.48 is: 339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    443.38 : 664.66 = 226.48 : x
  2. Step 2: Convert to fraction form
    443.38/664.66 = 226.48/x
  3. Step 3: Cross multiply
    443.38x = 664.66 × 226.48
  4. Step 4: Simplify right side
    443.38x = 150,532.20
  5. Step 5: Solve for x
    x = 150,532.20/443.38
  6. Step 6: Final answer
    x = 339.51

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.