Home / 394-448

Finding the Third Proportional to 394 and 448

Calculator

Solution

The third proportional to 394 and 448 is: 509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    394 : 448 = 448 : x
  2. Step 2: Convert to fraction form
    394/448 = 448/x
  3. Step 3: Cross multiply
    394x = 448 × 448
  4. Step 4: Simplify right side
    394x = 200,704
  5. Step 5: Solve for x
    x = 200,704/394
  6. Step 6: Final answer
    x = 509.40

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.