Home / 555.11-766.03-306.44

Finding the Fourth Proportional to 555.11, 766.03 and 306.44

Calculator

Solution

The fourth proportional to 555.11, 766.03 and 306.44 is: 422.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.11 : 766.03 = 306.44 : x
  2. Step 2: Convert to fraction form
    555.11/766.03 = 306.44/x
  3. Step 3: Cross multiply
    555.11x = 766.03 × 306.44
  4. Step 4: Simplify right side
    555.11x = 234,737.64
  5. Step 5: Solve for x
    x = 234,737.64/555.11
  6. Step 6: Final answer
    x = 422.87

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.