Home / 612.20-918.30-596.20

Finding the Fourth Proportional to 612.20, 918.30 and 596.20

Calculator

Solution

The fourth proportional to 612.20, 918.30 and 596.20 is: 894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    612.20 : 918.30 = 596.20 : x
  2. Step 2: Convert to fraction form
    612.20/918.30 = 596.20/x
  3. Step 3: Cross multiply
    612.20x = 918.30 × 596.20
  4. Step 4: Simplify right side
    612.20x = 547,490.46
  5. Step 5: Solve for x
    x = 547,490.46/612.20
  6. Step 6: Final answer
    x = 894.30

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.