Home / 344.64-515.92-228.64

Finding the Fourth Proportional to 344.64, 515.92 and 228.64

Calculator

Solution

The fourth proportional to 344.64, 515.92 and 228.64 is: 342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.64 : 515.92 = 228.64 : x
  2. Step 2: Convert to fraction form
    344.64/515.92 = 228.64/x
  3. Step 3: Cross multiply
    344.64x = 515.92 × 228.64
  4. Step 4: Simplify right side
    344.64x = 117,959.95
  5. Step 5: Solve for x
    x = 117,959.95/344.64
  6. Step 6: Final answer
    x = 342.27

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.