Home / 616.64-925.05-308.50

Finding the Fourth Proportional to 616.64, 925.05 and 308.50

Calculator

Solution

The fourth proportional to 616.64, 925.05 and 308.50 is: 462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.64 : 925.05 = 308.50 : x
  2. Step 2: Convert to fraction form
    616.64/925.05 = 308.50/x
  3. Step 3: Cross multiply
    616.64x = 925.05 × 308.50
  4. Step 4: Simplify right side
    616.64x = 285,377.93
  5. Step 5: Solve for x
    x = 285,377.93/616.64
  6. Step 6: Final answer
    x = 462.80

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.