Home / 217.83-326.10-190.83

Finding the Fourth Proportional to 217.83, 326.10 and 190.83

Calculator

Solution

The fourth proportional to 217.83, 326.10 and 190.83 is: 285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217.83 : 326.10 = 190.83 : x
  2. Step 2: Convert to fraction form
    217.83/326.10 = 190.83/x
  3. Step 3: Cross multiply
    217.83x = 326.10 × 190.83
  4. Step 4: Simplify right side
    217.83x = 62,229.66
  5. Step 5: Solve for x
    x = 62,229.66/217.83
  6. Step 6: Final answer
    x = 285.68

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.