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Finding the Fourth Proportional to 544.83, 817.70 and 236.91

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Solution

The fourth proportional to 544.83, 817.70 and 236.91 is: 355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.83 : 817.70 = 236.91 : x
  2. Step 2: Convert to fraction form
    544.83/817.70 = 236.91/x
  3. Step 3: Cross multiply
    544.83x = 817.70 × 236.91
  4. Step 4: Simplify right side
    544.83x = 193,720.12
  5. Step 5: Solve for x
    x = 193,720.12/544.83
  6. Step 6: Final answer
    x = 355.56

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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.