Home / 196.24-294.36-68

Finding the Fourth Proportional to 196.24, 294.36 and 68

Calculator

Solution

The fourth proportional to 196.24, 294.36 and 68 is: 102

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.24 : 294.36 = 68 : x
  2. Step 2: Convert to fraction form
    196.24/294.36 = 68/x
  3. Step 3: Cross multiply
    196.24x = 294.36 × 68
  4. Step 4: Simplify right side
    196.24x = 20,016.48
  5. Step 5: Solve for x
    x = 20,016.48/196.24
  6. Step 6: Final answer
    x = 102

Related Problems

Find fourth proportional to 98.12, 147.18 and 34
Half scale
Find fourth proportional to 392.48, 588.72 and 136
Double scale
Find fourth proportional to 197.24, 295.86 and 69
Similar ratio
Find fourth proportional to 294.36, 441.54 and 102
1.5x scale

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.