Home / 225.18-338.38-164.13

Finding the Fourth Proportional to 225.18, 338.38 and 164.13

Calculator

Solution

The fourth proportional to 225.18, 338.38 and 164.13 is: 246.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.18 : 338.38 = 164.13 : x
  2. Step 2: Convert to fraction form
    225.18/338.38 = 164.13/x
  3. Step 3: Cross multiply
    225.18x = 338.38 × 164.13
  4. Step 4: Simplify right side
    225.18x = 55,536.63
  5. Step 5: Solve for x
    x = 55,536.63/225.18
  6. Step 6: Final answer
    x = 246.63

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.