Home / 604.40-906.15-193.30

Finding the Fourth Proportional to 604.40, 906.15 and 193.30

Calculator

Solution

The fourth proportional to 604.40, 906.15 and 193.30 is: 289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.40 : 906.15 = 193.30 : x
  2. Step 2: Convert to fraction form
    604.40/906.15 = 193.30/x
  3. Step 3: Cross multiply
    604.40x = 906.15 × 193.30
  4. Step 4: Simplify right side
    604.40x = 175,157.25
  5. Step 5: Solve for x
    x = 175,157.25/604.40
  6. Step 6: Final answer
    x = 289.81

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.