Home / 576.54-864.34-394.29

Finding the Fourth Proportional to 576.54, 864.34 and 394.29

Calculator

Solution

The fourth proportional to 576.54, 864.34 and 394.29 is: 591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.54 : 864.34 = 394.29 : x
  2. Step 2: Convert to fraction form
    576.54/864.34 = 394.29/x
  3. Step 3: Cross multiply
    576.54x = 864.34 × 394.29
  4. Step 4: Simplify right side
    576.54x = 340,799.63
  5. Step 5: Solve for x
    x = 340,799.63/576.54
  6. Step 6: Final answer
    x = 591.11

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.