Home / 266.44-398.76-163.79

Finding the Fourth Proportional to 266.44, 398.76 and 163.79

Calculator

Solution

The fourth proportional to 266.44, 398.76 and 163.79 is: 245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.44 : 398.76 = 163.79 : x
  2. Step 2: Convert to fraction form
    266.44/398.76 = 163.79/x
  3. Step 3: Cross multiply
    266.44x = 398.76 × 163.79
  4. Step 4: Simplify right side
    266.44x = 65,311.79
  5. Step 5: Solve for x
    x = 65,311.79/266.44
  6. Step 6: Final answer
    x = 245.13

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.