Home / 220.38-303.83-180.89

Finding the Fourth Proportional to 220.38, 303.83 and 180.89

Calculator

Solution

The fourth proportional to 220.38, 303.83 and 180.89 is: 249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    220.38 : 303.83 = 180.89 : x
  2. Step 2: Convert to fraction form
    220.38/303.83 = 180.89/x
  3. Step 3: Cross multiply
    220.38x = 303.83 × 180.89
  4. Step 4: Simplify right side
    220.38x = 54,957.39
  5. Step 5: Solve for x
    x = 54,957.39/220.38
  6. Step 6: Final answer
    x = 249.38

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.