Home / 364.12-545.76-219.88

Finding the Fourth Proportional to 364.12, 545.76 and 219.88

Calculator

Solution

The fourth proportional to 364.12, 545.76 and 219.88 is: 329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.12 : 545.76 = 219.88 : x
  2. Step 2: Convert to fraction form
    364.12/545.76 = 219.88/x
  3. Step 3: Cross multiply
    364.12x = 545.76 × 219.88
  4. Step 4: Simplify right side
    364.12x = 120,001.71
  5. Step 5: Solve for x
    x = 120,001.71/364.12
  6. Step 6: Final answer
    x = 329.57

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.