Home / 508.30-699.71-383.76

Finding the Fourth Proportional to 508.30, 699.71 and 383.76

Calculator

Solution

The fourth proportional to 508.30, 699.71 and 383.76 is: 528.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.30 : 699.71 = 383.76 : x
  2. Step 2: Convert to fraction form
    508.30/699.71 = 383.76/x
  3. Step 3: Cross multiply
    508.30x = 699.71 × 383.76
  4. Step 4: Simplify right side
    508.30x = 268,518.79
  5. Step 5: Solve for x
    x = 268,518.79/508.30
  6. Step 6: Final answer
    x = 528.27

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.