Home / 186.38-257.33-116.47

Finding the Fourth Proportional to 186.38, 257.33 and 116.47

Calculator

Solution

The fourth proportional to 186.38, 257.33 and 116.47 is: 160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.38 : 257.33 = 116.47 : x
  2. Step 2: Convert to fraction form
    186.38/257.33 = 116.47/x
  3. Step 3: Cross multiply
    186.38x = 257.33 × 116.47
  4. Step 4: Simplify right side
    186.38x = 29,969.74
  5. Step 5: Solve for x
    x = 29,969.74/186.38
  6. Step 6: Final answer
    x = 160.80

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.