Home / 197.80-296.69-53.51

Finding the Fourth Proportional to 197.80, 296.69 and 53.51

Calculator

Solution

The fourth proportional to 197.80, 296.69 and 53.51 is: 80.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.80 : 296.69 = 53.51 : x
  2. Step 2: Convert to fraction form
    197.80/296.69 = 53.51/x
  3. Step 3: Cross multiply
    197.80x = 296.69 × 53.51
  4. Step 4: Simplify right side
    197.80x = 15,874.13
  5. Step 5: Solve for x
    x = 15,874.13/197.80
  6. Step 6: Final answer
    x = 80.25

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.