Home / 210.22-290.18-144.95

Finding the Fourth Proportional to 210.22, 290.18 and 144.95

Calculator

Solution

The fourth proportional to 210.22, 290.18 and 144.95 is: 200.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210.22 : 290.18 = 144.95 : x
  2. Step 2: Convert to fraction form
    210.22/290.18 = 144.95/x
  3. Step 3: Cross multiply
    210.22x = 290.18 × 144.95
  4. Step 4: Simplify right side
    210.22x = 42,060.50
  5. Step 5: Solve for x
    x = 42,060.50/210.22
  6. Step 6: Final answer
    x = 200.08

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.