Home / 216.15-298.26-179.16

Finding the Fourth Proportional to 216.15, 298.26 and 179.16

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Solution

The fourth proportional to 216.15, 298.26 and 179.16 is: 247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216.15 : 298.26 = 179.16 : x
  2. Step 2: Convert to fraction form
    216.15/298.26 = 179.16/x
  3. Step 3: Cross multiply
    216.15x = 298.26 × 179.16
  4. Step 4: Simplify right side
    216.15x = 53,436.26
  5. Step 5: Solve for x
    x = 53,436.26/216.15
  6. Step 6: Final answer
    x = 247.22

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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.