Home / 311.16-429.88-265.01

Finding the Fourth Proportional to 311.16, 429.88 and 265.01

Calculator

Solution

The fourth proportional to 311.16, 429.88 and 265.01 is: 366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    311.16 : 429.88 = 265.01 : x
  2. Step 2: Convert to fraction form
    311.16/429.88 = 265.01/x
  3. Step 3: Cross multiply
    311.16x = 429.88 × 265.01
  4. Step 4: Simplify right side
    311.16x = 113,922.50
  5. Step 5: Solve for x
    x = 113,922.50/311.16
  6. Step 6: Final answer
    x = 366.12

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.