Home / 359.76-496.40-286.24

Finding the Fourth Proportional to 359.76, 496.40 and 286.24

Calculator

Solution

The fourth proportional to 359.76, 496.40 and 286.24 is: 394.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.76 : 496.40 = 286.24 : x
  2. Step 2: Convert to fraction form
    359.76/496.40 = 286.24/x
  3. Step 3: Cross multiply
    359.76x = 496.40 × 286.24
  4. Step 4: Simplify right side
    359.76x = 142,089.54
  5. Step 5: Solve for x
    x = 142,089.54/359.76
  6. Step 6: Final answer
    x = 394.96

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.