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Finding the Fourth Proportional to 232.40, 320.33 and 185.63

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Solution

The fourth proportional to 232.40, 320.33 and 185.63 is: 255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.40 : 320.33 = 185.63 : x
  2. Step 2: Convert to fraction form
    232.40/320.33 = 185.63/x
  3. Step 3: Cross multiply
    232.40x = 320.33 × 185.63
  4. Step 4: Simplify right side
    232.40x = 59,460.33
  5. Step 5: Solve for x
    x = 59,460.33/232.40
  6. Step 6: Final answer
    x = 255.85

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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.