Home / 227.22-313.79-194.28

Finding the Fourth Proportional to 227.22, 313.79 and 194.28

Calculator

Solution

The fourth proportional to 227.22, 313.79 and 194.28 is: 268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.22 : 313.79 = 194.28 : x
  2. Step 2: Convert to fraction form
    227.22/313.79 = 194.28/x
  3. Step 3: Cross multiply
    227.22x = 313.79 × 194.28
  4. Step 4: Simplify right side
    227.22x = 60,962.15
  5. Step 5: Solve for x
    x = 60,962.15/227.22
  6. Step 6: Final answer
    x = 268.30

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.