Home / 615.93-850.14-395.07

Finding the Fourth Proportional to 615.93, 850.14 and 395.07

Calculator

Solution

The fourth proportional to 615.93, 850.14 and 395.07 is: 545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.93 : 850.14 = 395.07 : x
  2. Step 2: Convert to fraction form
    615.93/850.14 = 395.07/x
  3. Step 3: Cross multiply
    615.93x = 850.14 × 395.07
  4. Step 4: Simplify right side
    615.93x = 335,864.81
  5. Step 5: Solve for x
    x = 335,864.81/615.93
  6. Step 6: Final answer
    x = 545.30

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.