Home / 230.64-318.29-125.73

Finding the Fourth Proportional to 230.64, 318.29 and 125.73

Calculator

Solution

The fourth proportional to 230.64, 318.29 and 125.73 is: 173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.64 : 318.29 = 125.73 : x
  2. Step 2: Convert to fraction form
    230.64/318.29 = 125.73/x
  3. Step 3: Cross multiply
    230.64x = 318.29 × 125.73
  4. Step 4: Simplify right side
    230.64x = 40,017.97
  5. Step 5: Solve for x
    x = 40,017.97/230.64
  6. Step 6: Final answer
    x = 173.51

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.