Home / 269.19-371.51-151.19

Finding the Fourth Proportional to 269.19, 371.51 and 151.19

Calculator

Solution

The fourth proportional to 269.19, 371.51 and 151.19 is: 208.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.19 : 371.51 = 151.19 : x
  2. Step 2: Convert to fraction form
    269.19/371.51 = 151.19/x
  3. Step 3: Cross multiply
    269.19x = 371.51 × 151.19
  4. Step 4: Simplify right side
    269.19x = 56,169.34
  5. Step 5: Solve for x
    x = 56,169.34/269.19
  6. Step 6: Final answer
    x = 208.66

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.