Home / 196.98-295.35-75.20

Finding the Fourth Proportional to 196.98, 295.35 and 75.20

Calculator

Solution

The fourth proportional to 196.98, 295.35 and 75.20 is: 112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.98 : 295.35 = 75.20 : x
  2. Step 2: Convert to fraction form
    196.98/295.35 = 75.20/x
  3. Step 3: Cross multiply
    196.98x = 295.35 × 75.20
  4. Step 4: Simplify right side
    196.98x = 22,210.32
  5. Step 5: Solve for x
    x = 22,210.32/196.98
  6. Step 6: Final answer
    x = 112.75

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.