Home / 498.97-748.33-190.77

Finding the Fourth Proportional to 498.97, 748.33 and 190.77

Calculator

Solution

The fourth proportional to 498.97, 748.33 and 190.77 is: 286.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.97 : 748.33 = 190.77 : x
  2. Step 2: Convert to fraction form
    498.97/748.33 = 190.77/x
  3. Step 3: Cross multiply
    498.97x = 748.33 × 190.77
  4. Step 4: Simplify right side
    498.97x = 142,758.91
  5. Step 5: Solve for x
    x = 142,758.91/498.97
  6. Step 6: Final answer
    x = 286.11

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.