Home / 249.73-344.49-151.42

Finding the Fourth Proportional to 249.73, 344.49 and 151.42

Calculator

Solution

The fourth proportional to 249.73, 344.49 and 151.42 is: 208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.73 : 344.49 = 151.42 : x
  2. Step 2: Convert to fraction form
    249.73/344.49 = 151.42/x
  3. Step 3: Cross multiply
    249.73x = 344.49 × 151.42
  4. Step 4: Simplify right side
    249.73x = 52,162.68
  5. Step 5: Solve for x
    x = 52,162.68/249.73
  6. Step 6: Final answer
    x = 208.88

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.