Home / 349.12-481.87-238.64

Finding the Fourth Proportional to 349.12, 481.87 and 238.64

Calculator

Solution

The fourth proportional to 349.12, 481.87 and 238.64 is: 329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.12 : 481.87 = 238.64 : x
  2. Step 2: Convert to fraction form
    349.12/481.87 = 238.64/x
  3. Step 3: Cross multiply
    349.12x = 481.87 × 238.64
  4. Step 4: Simplify right side
    349.12x = 114,993.46
  5. Step 5: Solve for x
    x = 114,993.46/349.12
  6. Step 6: Final answer
    x = 329.38

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.