Home / 178.41-268.89-169.65

Finding the Fourth Proportional to 178.41, 268.89 and 169.65

Calculator

Solution

The fourth proportional to 178.41, 268.89 and 169.65 is: 255.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.41 : 268.89 = 169.65 : x
  2. Step 2: Convert to fraction form
    178.41/268.89 = 169.65/x
  3. Step 3: Cross multiply
    178.41x = 268.89 × 169.65
  4. Step 4: Simplify right side
    178.41x = 45,617.19
  5. Step 5: Solve for x
    x = 45,617.19/178.41
  6. Step 6: Final answer
    x = 255.69

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.