Home / 383.97-576.19-140.52

Finding the Fourth Proportional to 383.97, 576.19 and 140.52

Calculator

Solution

The fourth proportional to 383.97, 576.19 and 140.52 is: 210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.97 : 576.19 = 140.52 : x
  2. Step 2: Convert to fraction form
    383.97/576.19 = 140.52/x
  3. Step 3: Cross multiply
    383.97x = 576.19 × 140.52
  4. Step 4: Simplify right side
    383.97x = 80,966.22
  5. Step 5: Solve for x
    x = 80,966.22/383.97
  6. Step 6: Final answer
    x = 210.87

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.