Home / 205.66-308.59-114.43

Finding the Fourth Proportional to 205.66, 308.59 and 114.43

Calculator

Solution

The fourth proportional to 205.66, 308.59 and 114.43 is: 171.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    205.66 : 308.59 = 114.43 : x
  2. Step 2: Convert to fraction form
    205.66/308.59 = 114.43/x
  3. Step 3: Cross multiply
    205.66x = 308.59 × 114.43
  4. Step 4: Simplify right side
    205.66x = 35,312.12
  5. Step 5: Solve for x
    x = 35,312.12/205.66
  6. Step 6: Final answer
    x = 171.71

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.