Home / 202.10-303-167.72

Finding the Fourth Proportional to 202.10, 303 and 167.72

Calculator

Solution

The fourth proportional to 202.10, 303 and 167.72 is: 251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.10 : 303 = 167.72 : x
  2. Step 2: Convert to fraction form
    202.10/303 = 167.72/x
  3. Step 3: Cross multiply
    202.10x = 303 × 167.72
  4. Step 4: Simplify right side
    202.10x = 50,819.16
  5. Step 5: Solve for x
    x = 50,819.16/202.10
  6. Step 6: Final answer
    x = 251.46

Related Problems

Find fourth proportional to 101.05, 151.50 and 83.86
Half scale
Find fourth proportional to 404.20, 606 and 335.44
Double scale
Find fourth proportional to 203.10, 304.50 and 168.72
Similar ratio
Find fourth proportional to 303.15, 454.50 and 251.58
1.5x scale

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.