Home / 285.91-394.76-175.53

Finding the Fourth Proportional to 285.91, 394.76 and 175.53

Calculator

Solution

The fourth proportional to 285.91, 394.76 and 175.53 is: 242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    285.91 : 394.76 = 175.53 : x
  2. Step 2: Convert to fraction form
    285.91/394.76 = 175.53/x
  3. Step 3: Cross multiply
    285.91x = 394.76 × 175.53
  4. Step 4: Simplify right side
    285.91x = 69,291.35
  5. Step 5: Solve for x
    x = 69,291.35/285.91
  6. Step 6: Final answer
    x = 242.36

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.