Home / 144.11-216.32-97.70

Finding the Fourth Proportional to 144.11, 216.32 and 97.70

Calculator

Solution

The fourth proportional to 144.11, 216.32 and 97.70 is: 146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.11 : 216.32 = 97.70 : x
  2. Step 2: Convert to fraction form
    144.11/216.32 = 97.70/x
  3. Step 3: Cross multiply
    144.11x = 216.32 × 97.70
  4. Step 4: Simplify right side
    144.11x = 21,132.89
  5. Step 5: Solve for x
    x = 21,132.89/144.11
  6. Step 6: Final answer
    x = 146.65

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.