Home / 203.22-304.08-142.50

Finding the Fourth Proportional to 203.22, 304.08 and 142.50

Calculator

Solution

The fourth proportional to 203.22, 304.08 and 142.50 is: 213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.22 : 304.08 = 142.50 : x
  2. Step 2: Convert to fraction form
    203.22/304.08 = 142.50/x
  3. Step 3: Cross multiply
    203.22x = 304.08 × 142.50
  4. Step 4: Simplify right side
    203.22x = 43,331.40
  5. Step 5: Solve for x
    x = 43,331.40/203.22
  6. Step 6: Final answer
    x = 213.22

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.