Home / 275.06-379.60-158.63

Finding the Fourth Proportional to 275.06, 379.60 and 158.63

Calculator

Solution

The fourth proportional to 275.06, 379.60 and 158.63 is: 218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.06 : 379.60 = 158.63 : x
  2. Step 2: Convert to fraction form
    275.06/379.60 = 158.63/x
  3. Step 3: Cross multiply
    275.06x = 379.60 × 158.63
  4. Step 4: Simplify right side
    275.06x = 60,213.65
  5. Step 5: Solve for x
    x = 60,213.65/275.06
  6. Step 6: Final answer
    x = 218.91

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.