Home / 302.13-452.93-139.73

Finding the Fourth Proportional to 302.13, 452.93 and 139.73

Calculator

Solution

The fourth proportional to 302.13, 452.93 and 139.73 is: 209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.13 : 452.93 = 139.73 : x
  2. Step 2: Convert to fraction form
    302.13/452.93 = 139.73/x
  3. Step 3: Cross multiply
    302.13x = 452.93 × 139.73
  4. Step 4: Simplify right side
    302.13x = 63,284.95
  5. Step 5: Solve for x
    x = 63,284.95/302.13
  6. Step 6: Final answer
    x = 209.46

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.