Home / 439.48-606.48-242.99

Finding the Fourth Proportional to 439.48, 606.48 and 242.99

Calculator

Solution

The fourth proportional to 439.48, 606.48 and 242.99 is: 335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.48 : 606.48 = 242.99 : x
  2. Step 2: Convert to fraction form
    439.48/606.48 = 242.99/x
  3. Step 3: Cross multiply
    439.48x = 606.48 × 242.99
  4. Step 4: Simplify right side
    439.48x = 147,366.91
  5. Step 5: Solve for x
    x = 147,366.91/439.48
  6. Step 6: Final answer
    x = 335.32

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.