Home / 196.75-294.79-105.55

Finding the Fourth Proportional to 196.75, 294.79 and 105.55

Calculator

Solution

The fourth proportional to 196.75, 294.79 and 105.55 is: 158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.75 : 294.79 = 105.55 : x
  2. Step 2: Convert to fraction form
    196.75/294.79 = 105.55/x
  3. Step 3: Cross multiply
    196.75x = 294.79 × 105.55
  4. Step 4: Simplify right side
    196.75x = 31,115.94
  5. Step 5: Solve for x
    x = 31,115.94/196.75
  6. Step 6: Final answer
    x = 158.15

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.