Home / 205.98-308.63-103.24

Finding the Fourth Proportional to 205.98, 308.63 and 103.24

Calculator

Solution

The fourth proportional to 205.98, 308.63 and 103.24 is: 154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    205.98 : 308.63 = 103.24 : x
  2. Step 2: Convert to fraction form
    205.98/308.63 = 103.24/x
  3. Step 3: Cross multiply
    205.98x = 308.63 × 103.24
  4. Step 4: Simplify right side
    205.98x = 31,862.96
  5. Step 5: Solve for x
    x = 31,862.96/205.98
  6. Step 6: Final answer
    x = 154.69

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.