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Finding the Fourth Proportional to 236.04, 353.99 and 73.68

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Solution

The fourth proportional to 236.04, 353.99 and 73.68 is: 110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.04 : 353.99 = 73.68 : x
  2. Step 2: Convert to fraction form
    236.04/353.99 = 73.68/x
  3. Step 3: Cross multiply
    236.04x = 353.99 × 73.68
  4. Step 4: Simplify right side
    236.04x = 26,081.61
  5. Step 5: Solve for x
    x = 26,081.61/236.04
  6. Step 6: Final answer
    x = 110.50

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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.