Home / 604.85-906.96-279.94

Finding the Fourth Proportional to 604.85, 906.96 and 279.94

Calculator

Solution

The fourth proportional to 604.85, 906.96 and 279.94 is: 419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.85 : 906.96 = 279.94 : x
  2. Step 2: Convert to fraction form
    604.85/906.96 = 279.94/x
  3. Step 3: Cross multiply
    604.85x = 906.96 × 279.94
  4. Step 4: Simplify right side
    604.85x = 253,894.38
  5. Step 5: Solve for x
    x = 253,894.38/604.85
  6. Step 6: Final answer
    x = 419.76

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.