Home / 252.48-378.30-200.85

Finding the Fourth Proportional to 252.48, 378.30 and 200.85

Calculator

Solution

The fourth proportional to 252.48, 378.30 and 200.85 is: 300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.48 : 378.30 = 200.85 : x
  2. Step 2: Convert to fraction form
    252.48/378.30 = 200.85/x
  3. Step 3: Cross multiply
    252.48x = 378.30 × 200.85
  4. Step 4: Simplify right side
    252.48x = 75,981.56
  5. Step 5: Solve for x
    x = 75,981.56/252.48
  6. Step 6: Final answer
    x = 300.94

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.