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Finding the Fourth Proportional to 297.68, 445.75 and 236.93

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Solution

The fourth proportional to 297.68, 445.75 and 236.93 is: 354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.68 : 445.75 = 236.93 : x
  2. Step 2: Convert to fraction form
    297.68/445.75 = 236.93/x
  3. Step 3: Cross multiply
    297.68x = 445.75 × 236.93
  4. Step 4: Simplify right side
    297.68x = 105,610.06
  5. Step 5: Solve for x
    x = 105,610.06/297.68
  6. Step 6: Final answer
    x = 354.78

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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.