Home / 197.25-272.23-142.17

Finding the Fourth Proportional to 197.25, 272.23 and 142.17

Calculator

Solution

The fourth proportional to 197.25, 272.23 and 142.17 is: 196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.25 : 272.23 = 142.17 : x
  2. Step 2: Convert to fraction form
    197.25/272.23 = 142.17/x
  3. Step 3: Cross multiply
    197.25x = 272.23 × 142.17
  4. Step 4: Simplify right side
    197.25x = 38,702.94
  5. Step 5: Solve for x
    x = 38,702.94/197.25
  6. Step 6: Final answer
    x = 196.21

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.