Home / 640.04-959.14-293.15

Finding the Fourth Proportional to 640.04, 959.14 and 293.15

Calculator

Solution

The fourth proportional to 640.04, 959.14 and 293.15 is: 439.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    640.04 : 959.14 = 293.15 : x
  2. Step 2: Convert to fraction form
    640.04/959.14 = 293.15/x
  3. Step 3: Cross multiply
    640.04x = 959.14 × 293.15
  4. Step 4: Simplify right side
    640.04x = 281,174.66
  5. Step 5: Solve for x
    x = 281,174.66/640.04
  6. Step 6: Final answer
    x = 439.31

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.