Home / 240.76-361.28-132.45

Finding the Fourth Proportional to 240.76, 361.28 and 132.45

Calculator

Solution

The fourth proportional to 240.76, 361.28 and 132.45 is: 198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.76 : 361.28 = 132.45 : x
  2. Step 2: Convert to fraction form
    240.76/361.28 = 132.45/x
  3. Step 3: Cross multiply
    240.76x = 361.28 × 132.45
  4. Step 4: Simplify right side
    240.76x = 47,851.54
  5. Step 5: Solve for x
    x = 47,851.54/240.76
  6. Step 6: Final answer
    x = 198.75

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.