Home / 351.45-526.13-260.55

Finding the Fourth Proportional to 351.45, 526.13 and 260.55

Calculator

Solution

The fourth proportional to 351.45, 526.13 and 260.55 is: 390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.45 : 526.13 = 260.55 : x
  2. Step 2: Convert to fraction form
    351.45/526.13 = 260.55/x
  3. Step 3: Cross multiply
    351.45x = 526.13 × 260.55
  4. Step 4: Simplify right side
    351.45x = 137,082.85
  5. Step 5: Solve for x
    x = 137,082.85/351.45
  6. Step 6: Final answer
    x = 390.05

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.