Home / 223.28-308.11-125.03

Finding the Fourth Proportional to 223.28, 308.11 and 125.03

Calculator

Solution

The fourth proportional to 223.28, 308.11 and 125.03 is: 172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.28 : 308.11 = 125.03 : x
  2. Step 2: Convert to fraction form
    223.28/308.11 = 125.03/x
  3. Step 3: Cross multiply
    223.28x = 308.11 × 125.03
  4. Step 4: Simplify right side
    223.28x = 38,522.99
  5. Step 5: Solve for x
    x = 38,522.99/223.28
  6. Step 6: Final answer
    x = 172.53

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.