Home / 691.01-1,034.68-365.69

Finding the Fourth Proportional to 691.01, 1,034.68 and 365.69

Calculator

Solution

The fourth proportional to 691.01, 1,034.68 and 365.69 is: 547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    691.01 : 1,034.68 = 365.69 : x
  2. Step 2: Convert to fraction form
    691.01/1,034.68 = 365.69/x
  3. Step 3: Cross multiply
    691.01x = 1,034.68 × 365.69
  4. Step 4: Simplify right side
    691.01x = 378,372.13
  5. Step 5: Solve for x
    x = 378,372.13/691.01
  6. Step 6: Final answer
    x = 547.56

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.