Home / 803.06-1,204.40-369.80

Finding the Fourth Proportional to 803.06, 1,204.40 and 369.80

Calculator

Solution

The fourth proportional to 803.06, 1,204.40 and 369.80 is: 554.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    803.06 : 1,204.40 = 369.80 : x
  2. Step 2: Convert to fraction form
    803.06/1,204.40 = 369.80/x
  3. Step 3: Cross multiply
    803.06x = 1,204.40 × 369.80
  4. Step 4: Simplify right side
    803.06x = 445,387.12
  5. Step 5: Solve for x
    x = 445,387.12/803.06
  6. Step 6: Final answer
    x = 554.61

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.