Home / 502.71-693.74-303.55

Finding the Fourth Proportional to 502.71, 693.74 and 303.55

Calculator

Solution

The fourth proportional to 502.71, 693.74 and 303.55 is: 418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.71 : 693.74 = 303.55 : x
  2. Step 2: Convert to fraction form
    502.71/693.74 = 303.55/x
  3. Step 3: Cross multiply
    502.71x = 693.74 × 303.55
  4. Step 4: Simplify right side
    502.71x = 210,583.04
  5. Step 5: Solve for x
    x = 210,583.04/502.71
  6. Step 6: Final answer
    x = 418.90

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.