Home / 484.81-668.82-298.15

Finding the Fourth Proportional to 484.81, 668.82 and 298.15

Calculator

Solution

The fourth proportional to 484.81, 668.82 and 298.15 is: 411.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.81 : 668.82 = 298.15 : x
  2. Step 2: Convert to fraction form
    484.81/668.82 = 298.15/x
  3. Step 3: Cross multiply
    484.81x = 668.82 × 298.15
  4. Step 4: Simplify right side
    484.81x = 199,408.68
  5. Step 5: Solve for x
    x = 199,408.68/484.81
  6. Step 6: Final answer
    x = 411.31

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.