Home / 22.19-33.04-21.68

Finding the Fourth Proportional to 22.19, 33.04 and 21.68

Calculator

Solution

The fourth proportional to 22.19, 33.04 and 21.68 is: 32.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.19 : 33.04 = 21.68 : x
  2. Step 2: Convert to fraction form
    22.19/33.04 = 21.68/x
  3. Step 3: Cross multiply
    22.19x = 33.04 × 21.68
  4. Step 4: Simplify right side
    22.19x = 716.31
  5. Step 5: Solve for x
    x = 716.31/22.19
  6. Step 6: Final answer
    x = 32.28

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.