Home / 415.84-623.22-269.55

Finding the Fourth Proportional to 415.84, 623.22 and 269.55

Calculator

Solution

The fourth proportional to 415.84, 623.22 and 269.55 is: 403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    415.84 : 623.22 = 269.55 : x
  2. Step 2: Convert to fraction form
    415.84/623.22 = 269.55/x
  3. Step 3: Cross multiply
    415.84x = 623.22 × 269.55
  4. Step 4: Simplify right side
    415.84x = 167,988.95
  5. Step 5: Solve for x
    x = 167,988.95/415.84
  6. Step 6: Final answer
    x = 403.97

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.