Home / 255.57-382.83-193.97

Finding the Fourth Proportional to 255.57, 382.83 and 193.97

Calculator

Solution

The fourth proportional to 255.57, 382.83 and 193.97 is: 290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.57 : 382.83 = 193.97 : x
  2. Step 2: Convert to fraction form
    255.57/382.83 = 193.97/x
  3. Step 3: Cross multiply
    255.57x = 382.83 × 193.97
  4. Step 4: Simplify right side
    255.57x = 74,255.62
  5. Step 5: Solve for x
    x = 74,255.62/255.57
  6. Step 6: Final answer
    x = 290.55

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.