Home / 166.74-249.63-149.15

Finding the Fourth Proportional to 166.74, 249.63 and 149.15

Calculator

Solution

The fourth proportional to 166.74, 249.63 and 149.15 is: 223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.74 : 249.63 = 149.15 : x
  2. Step 2: Convert to fraction form
    166.74/249.63 = 149.15/x
  3. Step 3: Cross multiply
    166.74x = 249.63 × 149.15
  4. Step 4: Simplify right side
    166.74x = 37,232.38
  5. Step 5: Solve for x
    x = 37,232.38/166.74
  6. Step 6: Final answer
    x = 223.30

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.