Home / 392.64-588.84-271.68

Finding the Fourth Proportional to 392.64, 588.84 and 271.68

Calculator

Solution

The fourth proportional to 392.64, 588.84 and 271.68 is: 407.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    392.64 : 588.84 = 271.68 : x
  2. Step 2: Convert to fraction form
    392.64/588.84 = 271.68/x
  3. Step 3: Cross multiply
    392.64x = 588.84 × 271.68
  4. Step 4: Simplify right side
    392.64x = 159,976.05
  5. Step 5: Solve for x
    x = 159,976.05/392.64
  6. Step 6: Final answer
    x = 407.44

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.