Home / 284.14-426.23-137.87

Finding the Fourth Proportional to 284.14, 426.23 and 137.87

Calculator

Solution

The fourth proportional to 284.14, 426.23 and 137.87 is: 206.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    284.14 : 426.23 = 137.87 : x
  2. Step 2: Convert to fraction form
    284.14/426.23 = 137.87/x
  3. Step 3: Cross multiply
    284.14x = 426.23 × 137.87
  4. Step 4: Simplify right side
    284.14x = 58,763.62
  5. Step 5: Solve for x
    x = 58,763.62/284.14
  6. Step 6: Final answer
    x = 206.81

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.