Home / 394-591.11-134.06

Finding the Fourth Proportional to 394, 591.11 and 134.06

Calculator

Solution

The fourth proportional to 394, 591.11 and 134.06 is: 201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    394 : 591.11 = 134.06 : x
  2. Step 2: Convert to fraction form
    394/591.11 = 134.06/x
  3. Step 3: Cross multiply
    394x = 591.11 × 134.06
  4. Step 4: Simplify right side
    394x = 79,244.21
  5. Step 5: Solve for x
    x = 79,244.21/394
  6. Step 6: Final answer
    x = 201.13

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.