Home / 204.71-307.21-150.74

Finding the Fourth Proportional to 204.71, 307.21 and 150.74

Calculator

Solution

The fourth proportional to 204.71, 307.21 and 150.74 is: 226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.71 : 307.21 = 150.74 : x
  2. Step 2: Convert to fraction form
    204.71/307.21 = 150.74/x
  3. Step 3: Cross multiply
    204.71x = 307.21 × 150.74
  4. Step 4: Simplify right side
    204.71x = 46,306.92
  5. Step 5: Solve for x
    x = 46,306.92/204.71
  6. Step 6: Final answer
    x = 226.21

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.