Home / 624.63-861.98-344.85

Finding the Fourth Proportional to 624.63, 861.98 and 344.85

Calculator

Solution

The fourth proportional to 624.63, 861.98 and 344.85 is: 475.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.63 : 861.98 = 344.85 : x
  2. Step 2: Convert to fraction form
    624.63/861.98 = 344.85/x
  3. Step 3: Cross multiply
    624.63x = 861.98 × 344.85
  4. Step 4: Simplify right side
    624.63x = 297,249.92
  5. Step 5: Solve for x
    x = 297,249.92/624.63
  6. Step 6: Final answer
    x = 475.88

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.