Home / 676.99-1,015.57-190.08

Finding the Fourth Proportional to 676.99, 1,015.57 and 190.08

Calculator

Solution

The fourth proportional to 676.99, 1,015.57 and 190.08 is: 285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.99 : 1,015.57 = 190.08 : x
  2. Step 2: Convert to fraction form
    676.99/1,015.57 = 190.08/x
  3. Step 3: Cross multiply
    676.99x = 1,015.57 × 190.08
  4. Step 4: Simplify right side
    676.99x = 193,039.78
  5. Step 5: Solve for x
    x = 193,039.78/676.99
  6. Step 6: Final answer
    x = 285.14

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.