Home / 178.96-268.22-169.34

Finding the Fourth Proportional to 178.96, 268.22 and 169.34

Calculator

Solution

The fourth proportional to 178.96, 268.22 and 169.34 is: 253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.96 : 268.22 = 169.34 : x
  2. Step 2: Convert to fraction form
    178.96/268.22 = 169.34/x
  3. Step 3: Cross multiply
    178.96x = 268.22 × 169.34
  4. Step 4: Simplify right side
    178.96x = 45,420.37
  5. Step 5: Solve for x
    x = 45,420.37/178.96
  6. Step 6: Final answer
    x = 253.80

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.