Home / 408.74-564.07-222.23

Finding the Fourth Proportional to 408.74, 564.07 and 222.23

Calculator

Solution

The fourth proportional to 408.74, 564.07 and 222.23 is: 306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    408.74 : 564.07 = 222.23 : x
  2. Step 2: Convert to fraction form
    408.74/564.07 = 222.23/x
  3. Step 3: Cross multiply
    408.74x = 564.07 × 222.23
  4. Step 4: Simplify right side
    408.74x = 125,353.28
  5. Step 5: Solve for x
    x = 125,353.28/408.74
  6. Step 6: Final answer
    x = 306.68

Related Problems

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.