Home / 892.20-1,337.94-344.40

Finding the Fourth Proportional to 892.20, 1,337.94 and 344.40

Calculator

Solution

The fourth proportional to 892.20, 1,337.94 and 344.40 is: 516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    892.20 : 1,337.94 = 344.40 : x
  2. Step 2: Convert to fraction form
    892.20/1,337.94 = 344.40/x
  3. Step 3: Cross multiply
    892.20x = 1,337.94 × 344.40
  4. Step 4: Simplify right side
    892.20x = 460,786.54
  5. Step 5: Solve for x
    x = 460,786.54/892.20
  6. Step 6: Final answer
    x = 516.46

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.