Home / 298.69-411.99-188.06

Finding the Fourth Proportional to 298.69, 411.99 and 188.06

Calculator

Solution

The fourth proportional to 298.69, 411.99 and 188.06 is: 259.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.69 : 411.99 = 188.06 : x
  2. Step 2: Convert to fraction form
    298.69/411.99 = 188.06/x
  3. Step 3: Cross multiply
    298.69x = 411.99 × 188.06
  4. Step 4: Simplify right side
    298.69x = 77,476.07
  5. Step 5: Solve for x
    x = 77,476.07/298.69
  6. Step 6: Final answer
    x = 259.39

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.