Home / 198.07-295.95-142.96

Finding the Fourth Proportional to 198.07, 295.95 and 142.96

Calculator

Solution

The fourth proportional to 198.07, 295.95 and 142.96 is: 213.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.07 : 295.95 = 142.96 : x
  2. Step 2: Convert to fraction form
    198.07/295.95 = 142.96/x
  3. Step 3: Cross multiply
    198.07x = 295.95 × 142.96
  4. Step 4: Simplify right side
    198.07x = 42,309.92
  5. Step 5: Solve for x
    x = 42,309.92/198.07
  6. Step 6: Final answer
    x = 213.61

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.