Home / 252.14-347.68-158.78

Finding the Fourth Proportional to 252.14, 347.68 and 158.78

Calculator

Solution

The fourth proportional to 252.14, 347.68 and 158.78 is: 218.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.14 : 347.68 = 158.78 : x
  2. Step 2: Convert to fraction form
    252.14/347.68 = 158.78/x
  3. Step 3: Cross multiply
    252.14x = 347.68 × 158.78
  4. Step 4: Simplify right side
    252.14x = 55,202.50
  5. Step 5: Solve for x
    x = 55,202.50/252.14
  6. Step 6: Final answer
    x = 218.93

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.