Home / 263.19-363.21-158.39

Finding the Fourth Proportional to 263.19, 363.21 and 158.39

Calculator

Solution

The fourth proportional to 263.19, 363.21 and 158.39 is: 218.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.19 : 363.21 = 158.39 : x
  2. Step 2: Convert to fraction form
    263.19/363.21 = 158.39/x
  3. Step 3: Cross multiply
    263.19x = 363.21 × 158.39
  4. Step 4: Simplify right side
    263.19x = 57,527.02
  5. Step 5: Solve for x
    x = 57,527.02/263.19
  6. Step 6: Final answer
    x = 218.58

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.