Home / 179.88-248.34-133.20

Finding the Fourth Proportional to 179.88, 248.34 and 133.20

Calculator

Solution

The fourth proportional to 179.88, 248.34 and 133.20 is: 183.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.88 : 248.34 = 133.20 : x
  2. Step 2: Convert to fraction form
    179.88/248.34 = 133.20/x
  3. Step 3: Cross multiply
    179.88x = 248.34 × 133.20
  4. Step 4: Simplify right side
    179.88x = 33,078.89
  5. Step 5: Solve for x
    x = 33,078.89/179.88
  6. Step 6: Final answer
    x = 183.89

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.