Home / 691.50-1,037-229.14

Finding the Fourth Proportional to 691.50, 1,037 and 229.14

Calculator

Solution

The fourth proportional to 691.50, 1,037 and 229.14 is: 343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    691.50 : 1,037 = 229.14 : x
  2. Step 2: Convert to fraction form
    691.50/1,037 = 229.14/x
  3. Step 3: Cross multiply
    691.50x = 1,037 × 229.14
  4. Step 4: Simplify right side
    691.50x = 237,618.18
  5. Step 5: Solve for x
    x = 237,618.18/691.50
  6. Step 6: Final answer
    x = 343.63

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.