Home / 405.33-559.22-265.61

Finding the Fourth Proportional to 405.33, 559.22 and 265.61

Calculator

Solution

The fourth proportional to 405.33, 559.22 and 265.61 is: 366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    405.33 : 559.22 = 265.61 : x
  2. Step 2: Convert to fraction form
    405.33/559.22 = 265.61/x
  3. Step 3: Cross multiply
    405.33x = 559.22 × 265.61
  4. Step 4: Simplify right side
    405.33x = 148,531.63
  5. Step 5: Solve for x
    x = 148,531.63/405.33
  6. Step 6: Final answer
    x = 366.45

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.