Home / 230.85-346.31-68.54

Finding the Fourth Proportional to 230.85, 346.31 and 68.54

Calculator

Solution

The fourth proportional to 230.85, 346.31 and 68.54 is: 102.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.85 : 346.31 = 68.54 : x
  2. Step 2: Convert to fraction form
    230.85/346.31 = 68.54/x
  3. Step 3: Cross multiply
    230.85x = 346.31 × 68.54
  4. Step 4: Simplify right side
    230.85x = 23,734.01
  5. Step 5: Solve for x
    x = 23,734.01/230.85
  6. Step 6: Final answer
    x = 102.81

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.