Home / 312.97-469.39-107.52

Finding the Fourth Proportional to 312.97, 469.39 and 107.52

Calculator

Solution

The fourth proportional to 312.97, 469.39 and 107.52 is: 161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    312.97 : 469.39 = 107.52 : x
  2. Step 2: Convert to fraction form
    312.97/469.39 = 107.52/x
  3. Step 3: Cross multiply
    312.97x = 469.39 × 107.52
  4. Step 4: Simplify right side
    312.97x = 50,468.81
  5. Step 5: Solve for x
    x = 50,468.81/312.97
  6. Step 6: Final answer
    x = 161.26

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.