Home / 569.71-786.18-321.10

Finding the Fourth Proportional to 569.71, 786.18 and 321.10

Calculator

Solution

The fourth proportional to 569.71, 786.18 and 321.10 is: 443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.71 : 786.18 = 321.10 : x
  2. Step 2: Convert to fraction form
    569.71/786.18 = 321.10/x
  3. Step 3: Cross multiply
    569.71x = 786.18 × 321.10
  4. Step 4: Simplify right side
    569.71x = 252,442.40
  5. Step 5: Solve for x
    x = 252,442.40/569.71
  6. Step 6: Final answer
    x = 443.11

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.