Home / 223.45-308.32-125.17

Finding the Fourth Proportional to 223.45, 308.32 and 125.17

Calculator

Solution

The fourth proportional to 223.45, 308.32 and 125.17 is: 172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.45 : 308.32 = 125.17 : x
  2. Step 2: Convert to fraction form
    223.45/308.32 = 125.17/x
  3. Step 3: Cross multiply
    223.45x = 308.32 × 125.17
  4. Step 4: Simplify right side
    223.45x = 38,591.33
  5. Step 5: Solve for x
    x = 38,591.33/223.45
  6. Step 6: Final answer
    x = 172.71

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.