Home / 343.31-473.78-188.06

Finding the Fourth Proportional to 343.31, 473.78 and 188.06

Calculator

Solution

The fourth proportional to 343.31, 473.78 and 188.06 is: 259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.31 : 473.78 = 188.06 : x
  2. Step 2: Convert to fraction form
    343.31/473.78 = 188.06/x
  3. Step 3: Cross multiply
    343.31x = 473.78 × 188.06
  4. Step 4: Simplify right side
    343.31x = 89,099.31
  5. Step 5: Solve for x
    x = 89,099.31/343.31
  6. Step 6: Final answer
    x = 259.53

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.