Home / 471.44-706.98-278.84

Finding the Fourth Proportional to 471.44, 706.98 and 278.84

Calculator

Solution

The fourth proportional to 471.44, 706.98 and 278.84 is: 418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.44 : 706.98 = 278.84 : x
  2. Step 2: Convert to fraction form
    471.44/706.98 = 278.84/x
  3. Step 3: Cross multiply
    471.44x = 706.98 × 278.84
  4. Step 4: Simplify right side
    471.44x = 197,134.30
  5. Step 5: Solve for x
    x = 197,134.30/471.44
  6. Step 6: Final answer
    x = 418.15

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.