Home / 676.75-1,015.13-163.75

Finding the Fourth Proportional to 676.75, 1,015.13 and 163.75

Calculator

Solution

The fourth proportional to 676.75, 1,015.13 and 163.75 is: 245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.75 : 1,015.13 = 163.75 : x
  2. Step 2: Convert to fraction form
    676.75/1,015.13 = 163.75/x
  3. Step 3: Cross multiply
    676.75x = 1,015.13 × 163.75
  4. Step 4: Simplify right side
    676.75x = 166,226.72
  5. Step 5: Solve for x
    x = 166,226.72/676.75
  6. Step 6: Final answer
    x = 245.63

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.