Home / 263.99-396.16-142.34

Finding the Fourth Proportional to 263.99, 396.16 and 142.34

Calculator

Solution

The fourth proportional to 263.99, 396.16 and 142.34 is: 213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.99 : 396.16 = 142.34 : x
  2. Step 2: Convert to fraction form
    263.99/396.16 = 142.34/x
  3. Step 3: Cross multiply
    263.99x = 396.16 × 142.34
  4. Step 4: Simplify right side
    263.99x = 56,389.41
  5. Step 5: Solve for x
    x = 56,389.41/263.99
  6. Step 6: Final answer
    x = 213.60

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.