Home / 359.38-539.28-142.93

Finding the Fourth Proportional to 359.38, 539.28 and 142.93

Calculator

Solution

The fourth proportional to 359.38, 539.28 and 142.93 is: 214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.38 : 539.28 = 142.93 : x
  2. Step 2: Convert to fraction form
    359.38/539.28 = 142.93/x
  3. Step 3: Cross multiply
    359.38x = 539.28 × 142.93
  4. Step 4: Simplify right side
    359.38x = 77,079.29
  5. Step 5: Solve for x
    x = 77,079.29/359.38
  6. Step 6: Final answer
    x = 214.48

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.