Home / 298.98-412.73-200.79

Finding the Fourth Proportional to 298.98, 412.73 and 200.79

Calculator

Solution

The fourth proportional to 298.98, 412.73 and 200.79 is: 277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.98 : 412.73 = 200.79 : x
  2. Step 2: Convert to fraction form
    298.98/412.73 = 200.79/x
  3. Step 3: Cross multiply
    298.98x = 412.73 × 200.79
  4. Step 4: Simplify right side
    298.98x = 82,871.05
  5. Step 5: Solve for x
    x = 82,871.05/298.98
  6. Step 6: Final answer
    x = 277.18

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.