Home / 284.68-392.74-179.74

Finding the Fourth Proportional to 284.68, 392.74 and 179.74

Calculator

Solution

The fourth proportional to 284.68, 392.74 and 179.74 is: 247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    284.68 : 392.74 = 179.74 : x
  2. Step 2: Convert to fraction form
    284.68/392.74 = 179.74/x
  3. Step 3: Cross multiply
    284.68x = 392.74 × 179.74
  4. Step 4: Simplify right side
    284.68x = 70,591.09
  5. Step 5: Solve for x
    x = 70,591.09/284.68
  6. Step 6: Final answer
    x = 247.97

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.