Home / 275.80-413.30-251.50

Finding the Fourth Proportional to 275.80, 413.30 and 251.50

Calculator

Solution

The fourth proportional to 275.80, 413.30 and 251.50 is: 376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.80 : 413.30 = 251.50 : x
  2. Step 2: Convert to fraction form
    275.80/413.30 = 251.50/x
  3. Step 3: Cross multiply
    275.80x = 413.30 × 251.50
  4. Step 4: Simplify right side
    275.80x = 103,944.95
  5. Step 5: Solve for x
    x = 103,944.95/275.80
  6. Step 6: Final answer
    x = 376.89

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.