Home / 538.77-808.16-214.14

Finding the Fourth Proportional to 538.77, 808.16 and 214.14

Calculator

Solution

The fourth proportional to 538.77, 808.16 and 214.14 is: 321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    538.77 : 808.16 = 214.14 : x
  2. Step 2: Convert to fraction form
    538.77/808.16 = 214.14/x
  3. Step 3: Cross multiply
    538.77x = 808.16 × 214.14
  4. Step 4: Simplify right side
    538.77x = 173,058.31
  5. Step 5: Solve for x
    x = 173,058.31/538.77
  6. Step 6: Final answer
    x = 321.21

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.