Home / 808.01-1,212.14-260.12

Finding the Fourth Proportional to 808.01, 1,212.14 and 260.12

Calculator

Solution

The fourth proportional to 808.01, 1,212.14 and 260.12 is: 390.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    808.01 : 1,212.14 = 260.12 : x
  2. Step 2: Convert to fraction form
    808.01/1,212.14 = 260.12/x
  3. Step 3: Cross multiply
    808.01x = 1,212.14 × 260.12
  4. Step 4: Simplify right side
    808.01x = 315,294.50
  5. Step 5: Solve for x
    x = 315,294.50/808.01
  6. Step 6: Final answer
    x = 390.21

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.