Home / 498.96-748.44-210.42

Finding the Fourth Proportional to 498.96, 748.44 and 210.42

Calculator

Solution

The fourth proportional to 498.96, 748.44 and 210.42 is: 315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.96 : 748.44 = 210.42 : x
  2. Step 2: Convert to fraction form
    498.96/748.44 = 210.42/x
  3. Step 3: Cross multiply
    498.96x = 748.44 × 210.42
  4. Step 4: Simplify right side
    498.96x = 157,486.74
  5. Step 5: Solve for x
    x = 157,486.74/498.96
  6. Step 6: Final answer
    x = 315.63

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.