Home / 492.69-679.94-271.64

Finding the Fourth Proportional to 492.69, 679.94 and 271.64

Calculator

Solution

The fourth proportional to 492.69, 679.94 and 271.64 is: 374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.69 : 679.94 = 271.64 : x
  2. Step 2: Convert to fraction form
    492.69/679.94 = 271.64/x
  3. Step 3: Cross multiply
    492.69x = 679.94 × 271.64
  4. Step 4: Simplify right side
    492.69x = 184,698.90
  5. Step 5: Solve for x
    x = 184,698.90/492.69
  6. Step 6: Final answer
    x = 374.88

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.