Home / 531.15-733.34-494.40

Finding the Fourth Proportional to 531.15, 733.34 and 494.40

Calculator

Solution

The fourth proportional to 531.15, 733.34 and 494.40 is: 682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.15 : 733.34 = 494.40 : x
  2. Step 2: Convert to fraction form
    531.15/733.34 = 494.40/x
  3. Step 3: Cross multiply
    531.15x = 733.34 × 494.40
  4. Step 4: Simplify right side
    531.15x = 362,560.82
  5. Step 5: Solve for x
    x = 362,560.82/531.15
  6. Step 6: Final answer
    x = 682.60

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.