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Finding the Fourth Proportional to 323.51, 484.73 and 259.25

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Solution

The fourth proportional to 323.51, 484.73 and 259.25 is: 388.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.51 : 484.73 = 259.25 : x
  2. Step 2: Convert to fraction form
    323.51/484.73 = 259.25/x
  3. Step 3: Cross multiply
    323.51x = 484.73 × 259.25
  4. Step 4: Simplify right side
    323.51x = 125,664.96
  5. Step 5: Solve for x
    x = 125,664.96/323.51
  6. Step 6: Final answer
    x = 388.44

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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.