Home / 355.70-533.64-173.18

Finding the Fourth Proportional to 355.70, 533.64 and 173.18

Calculator

Solution

The fourth proportional to 355.70, 533.64 and 173.18 is: 259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.70 : 533.64 = 173.18 : x
  2. Step 2: Convert to fraction form
    355.70/533.64 = 173.18/x
  3. Step 3: Cross multiply
    355.70x = 533.64 × 173.18
  4. Step 4: Simplify right side
    355.70x = 92,415.78
  5. Step 5: Solve for x
    x = 92,415.78/355.70
  6. Step 6: Final answer
    x = 259.81

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.