Home / 417.75-576.51-231.26

Finding the Fourth Proportional to 417.75, 576.51 and 231.26

Calculator

Solution

The fourth proportional to 417.75, 576.51 and 231.26 is: 319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    417.75 : 576.51 = 231.26 : x
  2. Step 2: Convert to fraction form
    417.75/576.51 = 231.26/x
  3. Step 3: Cross multiply
    417.75x = 576.51 × 231.26
  4. Step 4: Simplify right side
    417.75x = 133,320.82
  5. Step 5: Solve for x
    x = 133,320.82/417.75
  6. Step 6: Final answer
    x = 319.14

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.