Home / 339.52-509.13-144.60

Finding the Fourth Proportional to 339.52, 509.13 and 144.60

Calculator

Solution

The fourth proportional to 339.52, 509.13 and 144.60 is: 216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.52 : 509.13 = 144.60 : x
  2. Step 2: Convert to fraction form
    339.52/509.13 = 144.60/x
  3. Step 3: Cross multiply
    339.52x = 509.13 × 144.60
  4. Step 4: Simplify right side
    339.52x = 73,620.20
  5. Step 5: Solve for x
    x = 73,620.20/339.52
  6. Step 6: Final answer
    x = 216.84

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.