Home / 382-573.24-219.76

Finding the Fourth Proportional to 382, 573.24 and 219.76

Calculator

Solution

The fourth proportional to 382, 573.24 and 219.76 is: 329.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    382 : 573.24 = 219.76 : x
  2. Step 2: Convert to fraction form
    382/573.24 = 219.76/x
  3. Step 3: Cross multiply
    382x = 573.24 × 219.76
  4. Step 4: Simplify right side
    382x = 125,975.22
  5. Step 5: Solve for x
    x = 125,975.22/382
  6. Step 6: Final answer
    x = 329.78

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.