Home / 489.98-676.19-293.51

Finding the Fourth Proportional to 489.98, 676.19 and 293.51

Calculator

Solution

The fourth proportional to 489.98, 676.19 and 293.51 is: 405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    489.98 : 676.19 = 293.51 : x
  2. Step 2: Convert to fraction form
    489.98/676.19 = 293.51/x
  3. Step 3: Cross multiply
    489.98x = 676.19 × 293.51
  4. Step 4: Simplify right side
    489.98x = 198,467.06
  5. Step 5: Solve for x
    x = 198,467.06/489.98
  6. Step 6: Final answer
    x = 405.05

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.