Home / 218.33-301.32-131.03

Finding the Fourth Proportional to 218.33, 301.32 and 131.03

Calculator

Solution

The fourth proportional to 218.33, 301.32 and 131.03 is: 180.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218.33 : 301.32 = 131.03 : x
  2. Step 2: Convert to fraction form
    218.33/301.32 = 131.03/x
  3. Step 3: Cross multiply
    218.33x = 301.32 × 131.03
  4. Step 4: Simplify right side
    218.33x = 39,481.96
  5. Step 5: Solve for x
    x = 39,481.96/218.33
  6. Step 6: Final answer
    x = 180.84

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.