Home / 225.67-338.53-88.75

Finding the Fourth Proportional to 225.67, 338.53 and 88.75

Calculator

Solution

The fourth proportional to 225.67, 338.53 and 88.75 is: 133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.67 : 338.53 = 88.75 : x
  2. Step 2: Convert to fraction form
    225.67/338.53 = 88.75/x
  3. Step 3: Cross multiply
    225.67x = 338.53 × 88.75
  4. Step 4: Simplify right side
    225.67x = 30,044.54
  5. Step 5: Solve for x
    x = 30,044.54/225.67
  6. Step 6: Final answer
    x = 133.13

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.