Home / 617.76-852.54-355.80

Finding the Fourth Proportional to 617.76, 852.54 and 355.80

Calculator

Solution

The fourth proportional to 617.76, 852.54 and 355.80 is: 491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.76 : 852.54 = 355.80 : x
  2. Step 2: Convert to fraction form
    617.76/852.54 = 355.80/x
  3. Step 3: Cross multiply
    617.76x = 852.54 × 355.80
  4. Step 4: Simplify right side
    617.76x = 303,333.73
  5. Step 5: Solve for x
    x = 303,333.73/617.76
  6. Step 6: Final answer
    x = 491.02

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.