Home / 637.85-880.19-375.82

Finding the Fourth Proportional to 637.85, 880.19 and 375.82

Calculator

Solution

The fourth proportional to 637.85, 880.19 and 375.82 is: 518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.85 : 880.19 = 375.82 : x
  2. Step 2: Convert to fraction form
    637.85/880.19 = 375.82/x
  3. Step 3: Cross multiply
    637.85x = 880.19 × 375.82
  4. Step 4: Simplify right side
    637.85x = 330,788.60
  5. Step 5: Solve for x
    x = 330,788.60/637.85
  6. Step 6: Final answer
    x = 518.60

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.