Home / 626.28-939.52-215.48

Finding the Fourth Proportional to 626.28, 939.52 and 215.48

Calculator

Solution

The fourth proportional to 626.28, 939.52 and 215.48 is: 323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.28 : 939.52 = 215.48 : x
  2. Step 2: Convert to fraction form
    626.28/939.52 = 215.48/x
  3. Step 3: Cross multiply
    626.28x = 939.52 × 215.48
  4. Step 4: Simplify right side
    626.28x = 202,447.77
  5. Step 5: Solve for x
    x = 202,447.77/626.28
  6. Step 6: Final answer
    x = 323.25

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.