Home / 242.20-332.14-233.20

Finding the Fourth Proportional to 242.20, 332.14 and 233.20

Calculator

Solution

The fourth proportional to 242.20, 332.14 and 233.20 is: 319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.20 : 332.14 = 233.20 : x
  2. Step 2: Convert to fraction form
    242.20/332.14 = 233.20/x
  3. Step 3: Cross multiply
    242.20x = 332.14 × 233.20
  4. Step 4: Simplify right side
    242.20x = 77,455.05
  5. Step 5: Solve for x
    x = 77,455.05/242.20
  6. Step 6: Final answer
    x = 319.80

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.