Home / 270.75-406.14-88.15

Finding the Fourth Proportional to 270.75, 406.14 and 88.15

Calculator

Solution

The fourth proportional to 270.75, 406.14 and 88.15 is: 132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.75 : 406.14 = 88.15 : x
  2. Step 2: Convert to fraction form
    270.75/406.14 = 88.15/x
  3. Step 3: Cross multiply
    270.75x = 406.14 × 88.15
  4. Step 4: Simplify right side
    270.75x = 35,801.15
  5. Step 5: Solve for x
    x = 35,801.15/270.75
  6. Step 6: Final answer
    x = 132.23

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.