Home / 354.44-489.23-207.14

Finding the Fourth Proportional to 354.44, 489.23 and 207.14

Calculator

Solution

The fourth proportional to 354.44, 489.23 and 207.14 is: 285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.44 : 489.23 = 207.14 : x
  2. Step 2: Convert to fraction form
    354.44/489.23 = 207.14/x
  3. Step 3: Cross multiply
    354.44x = 489.23 × 207.14
  4. Step 4: Simplify right side
    354.44x = 101,335.62
  5. Step 5: Solve for x
    x = 101,335.62/354.44
  6. Step 6: Final answer
    x = 285.91

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.