Home / 550.90-760.29-329.74

Finding the Fourth Proportional to 550.90, 760.29 and 329.74

Calculator

Solution

The fourth proportional to 550.90, 760.29 and 329.74 is: 455.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.90 : 760.29 = 329.74 : x
  2. Step 2: Convert to fraction form
    550.90/760.29 = 329.74/x
  3. Step 3: Cross multiply
    550.90x = 760.29 × 329.74
  4. Step 4: Simplify right side
    550.90x = 250,698.02
  5. Step 5: Solve for x
    x = 250,698.02/550.90
  6. Step 6: Final answer
    x = 455.07

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.