Home / 531.90-733.99-310.84

Finding the Fourth Proportional to 531.90, 733.99 and 310.84

Calculator

Solution

The fourth proportional to 531.90, 733.99 and 310.84 is: 428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.90 : 733.99 = 310.84 : x
  2. Step 2: Convert to fraction form
    531.90/733.99 = 310.84/x
  3. Step 3: Cross multiply
    531.90x = 733.99 × 310.84
  4. Step 4: Simplify right side
    531.90x = 228,153.45
  5. Step 5: Solve for x
    x = 228,153.45/531.90
  6. Step 6: Final answer
    x = 428.94

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.