Home / 269.63-404.37-87.04

Finding the Fourth Proportional to 269.63, 404.37 and 87.04

Calculator

Solution

The fourth proportional to 269.63, 404.37 and 87.04 is: 130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.63 : 404.37 = 87.04 : x
  2. Step 2: Convert to fraction form
    269.63/404.37 = 87.04/x
  3. Step 3: Cross multiply
    269.63x = 404.37 × 87.04
  4. Step 4: Simplify right side
    269.63x = 35,196.36
  5. Step 5: Solve for x
    x = 35,196.36/269.63
  6. Step 6: Final answer
    x = 130.54

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.