Home / 255.24-382.42-230.12

Finding the Fourth Proportional to 255.24, 382.42 and 230.12

Calculator

Solution

The fourth proportional to 255.24, 382.42 and 230.12 is: 344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.24 : 382.42 = 230.12 : x
  2. Step 2: Convert to fraction form
    255.24/382.42 = 230.12/x
  3. Step 3: Cross multiply
    255.24x = 382.42 × 230.12
  4. Step 4: Simplify right side
    255.24x = 88,002.49
  5. Step 5: Solve for x
    x = 88,002.49/255.24
  6. Step 6: Final answer
    x = 344.78

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.