Home / 587.05-878.82-355.24

Finding the Fourth Proportional to 587.05, 878.82 and 355.24

Calculator

Solution

The fourth proportional to 587.05, 878.82 and 355.24 is: 531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.05 : 878.82 = 355.24 : x
  2. Step 2: Convert to fraction form
    587.05/878.82 = 355.24/x
  3. Step 3: Cross multiply
    587.05x = 878.82 × 355.24
  4. Step 4: Simplify right side
    587.05x = 312,189.82
  5. Step 5: Solve for x
    x = 312,189.82/587.05
  6. Step 6: Final answer
    x = 531.80

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.