Home / 115.48-173.23-34.31

Finding the Fourth Proportional to 115.48, 173.23 and 34.31

Calculator

Solution

The fourth proportional to 115.48, 173.23 and 34.31 is: 51.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115.48 : 173.23 = 34.31 : x
  2. Step 2: Convert to fraction form
    115.48/173.23 = 34.31/x
  3. Step 3: Cross multiply
    115.48x = 173.23 × 34.31
  4. Step 4: Simplify right side
    115.48x = 5,943.87
  5. Step 5: Solve for x
    x = 5,943.87/115.48
  6. Step 6: Final answer
    x = 51.47

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.