Home / 242.34-363.15-145.92

Finding the Fourth Proportional to 242.34, 363.15 and 145.92

Calculator

Solution

The fourth proportional to 242.34, 363.15 and 145.92 is: 218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.34 : 363.15 = 145.92 : x
  2. Step 2: Convert to fraction form
    242.34/363.15 = 145.92/x
  3. Step 3: Cross multiply
    242.34x = 363.15 × 145.92
  4. Step 4: Simplify right side
    242.34x = 52,990.85
  5. Step 5: Solve for x
    x = 52,990.85/242.34
  6. Step 6: Final answer
    x = 218.66

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.