Home / 324.56-486.89-119.22

Finding the Fourth Proportional to 324.56, 486.89 and 119.22

Calculator

Solution

The fourth proportional to 324.56, 486.89 and 119.22 is: 178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.56 : 486.89 = 119.22 : x
  2. Step 2: Convert to fraction form
    324.56/486.89 = 119.22/x
  3. Step 3: Cross multiply
    324.56x = 486.89 × 119.22
  4. Step 4: Simplify right side
    324.56x = 58,046.43
  5. Step 5: Solve for x
    x = 58,046.43/324.56
  6. Step 6: Final answer
    x = 178.85

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.