Home / 409.40-564.93-234.71

Finding the Fourth Proportional to 409.40, 564.93 and 234.71

Calculator

Solution

The fourth proportional to 409.40, 564.93 and 234.71 is: 323.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    409.40 : 564.93 = 234.71 : x
  2. Step 2: Convert to fraction form
    409.40/564.93 = 234.71/x
  3. Step 3: Cross multiply
    409.40x = 564.93 × 234.71
  4. Step 4: Simplify right side
    409.40x = 132,594.72
  5. Step 5: Solve for x
    x = 132,594.72/409.40
  6. Step 6: Final answer
    x = 323.88

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.