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Finding the Fourth Proportional to 351.37, 484.79 and 204.00

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Solution

The fourth proportional to 351.37, 484.79 and 204.00 is: 281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.37 : 484.79 = 204.00 : x
  2. Step 2: Convert to fraction form
    351.37/484.79 = 204.00/x
  3. Step 3: Cross multiply
    351.37x = 484.79 × 204.00
  4. Step 4: Simplify right side
    351.37x = 98,894.32
  5. Step 5: Solve for x
    x = 98,894.32/351.37
  6. Step 6: Final answer
    x = 281.45

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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.