Home / 550.17-825.21-165.42

Finding the Fourth Proportional to 550.17, 825.21 and 165.42

Calculator

Solution

The fourth proportional to 550.17, 825.21 and 165.42 is: 248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.17 : 825.21 = 165.42 : x
  2. Step 2: Convert to fraction form
    550.17/825.21 = 165.42/x
  3. Step 3: Cross multiply
    550.17x = 825.21 × 165.42
  4. Step 4: Simplify right side
    550.17x = 136,506.24
  5. Step 5: Solve for x
    x = 136,506.24/550.17
  6. Step 6: Final answer
    x = 248.12

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.