Home / 177.21-244.89-144.45

Finding the Fourth Proportional to 177.21, 244.89 and 144.45

Calculator

Solution

The fourth proportional to 177.21, 244.89 and 144.45 is: 199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.21 : 244.89 = 144.45 : x
  2. Step 2: Convert to fraction form
    177.21/244.89 = 144.45/x
  3. Step 3: Cross multiply
    177.21x = 244.89 × 144.45
  4. Step 4: Simplify right side
    177.21x = 35,374.36
  5. Step 5: Solve for x
    x = 35,374.36/177.21
  6. Step 6: Final answer
    x = 199.62

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.