Home / 381.52-572.26-107.62

Finding the Fourth Proportional to 381.52, 572.26 and 107.62

Calculator

Solution

The fourth proportional to 381.52, 572.26 and 107.62 is: 161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    381.52 : 572.26 = 107.62 : x
  2. Step 2: Convert to fraction form
    381.52/572.26 = 107.62/x
  3. Step 3: Cross multiply
    381.52x = 572.26 × 107.62
  4. Step 4: Simplify right side
    381.52x = 61,586.62
  5. Step 5: Solve for x
    x = 61,586.62/381.52
  6. Step 6: Final answer
    x = 161.42

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.