Home / 146.48-218.56-132.80

Finding the Fourth Proportional to 146.48, 218.56 and 132.80

Calculator

Solution

The fourth proportional to 146.48, 218.56 and 132.80 is: 198.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.48 : 218.56 = 132.80 : x
  2. Step 2: Convert to fraction form
    146.48/218.56 = 132.80/x
  3. Step 3: Cross multiply
    146.48x = 218.56 × 132.80
  4. Step 4: Simplify right side
    146.48x = 29,024.77
  5. Step 5: Solve for x
    x = 29,024.77/146.48
  6. Step 6: Final answer
    x = 198.15

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.