Home / 198.92-298.46-83.50

Finding the Fourth Proportional to 198.92, 298.46 and 83.50

Calculator

Solution

The fourth proportional to 198.92, 298.46 and 83.50 is: 125.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.92 : 298.46 = 83.50 : x
  2. Step 2: Convert to fraction form
    198.92/298.46 = 83.50/x
  3. Step 3: Cross multiply
    198.92x = 298.46 × 83.50
  4. Step 4: Simplify right side
    198.92x = 24,921.41
  5. Step 5: Solve for x
    x = 24,921.41/198.92
  6. Step 6: Final answer
    x = 125.28

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.