Home / 269.28-371.88-220.32

Finding the Fourth Proportional to 269.28, 371.88 and 220.32

Calculator

Solution

The fourth proportional to 269.28, 371.88 and 220.32 is: 304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.28 : 371.88 = 220.32 : x
  2. Step 2: Convert to fraction form
    269.28/371.88 = 220.32/x
  3. Step 3: Cross multiply
    269.28x = 371.88 × 220.32
  4. Step 4: Simplify right side
    269.28x = 81,932.60
  5. Step 5: Solve for x
    x = 81,932.60/269.28
  6. Step 6: Final answer
    x = 304.27

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.