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Finding the Fourth Proportional to 233.35, 321.64 and 179.35

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Solution

The fourth proportional to 233.35, 321.64 and 179.35 is: 247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.35 : 321.64 = 179.35 : x
  2. Step 2: Convert to fraction form
    233.35/321.64 = 179.35/x
  3. Step 3: Cross multiply
    233.35x = 321.64 × 179.35
  4. Step 4: Simplify right side
    233.35x = 57,684.88
  5. Step 5: Solve for x
    x = 57,684.88/233.35
  6. Step 6: Final answer
    x = 247.21

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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.