Home / 555.75-767.12-322.83

Finding the Fourth Proportional to 555.75, 767.12 and 322.83

Calculator

Solution

The fourth proportional to 555.75, 767.12 and 322.83 is: 445.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.75 : 767.12 = 322.83 : x
  2. Step 2: Convert to fraction form
    555.75/767.12 = 322.83/x
  3. Step 3: Cross multiply
    555.75x = 767.12 × 322.83
  4. Step 4: Simplify right side
    555.75x = 247,647.74
  5. Step 5: Solve for x
    x = 247,647.74/555.75
  6. Step 6: Final answer
    x = 445.61

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.