Home / 240.09-359.97-77.82

Finding the Fourth Proportional to 240.09, 359.97 and 77.82

Calculator

Solution

The fourth proportional to 240.09, 359.97 and 77.82 is: 116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.09 : 359.97 = 77.82 : x
  2. Step 2: Convert to fraction form
    240.09/359.97 = 77.82/x
  3. Step 3: Cross multiply
    240.09x = 359.97 × 77.82
  4. Step 4: Simplify right side
    240.09x = 28,012.87
  5. Step 5: Solve for x
    x = 28,012.87/240.09
  6. Step 6: Final answer
    x = 116.68

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.