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Finding the Fourth Proportional to 365.73, 504.32 and 255.16

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Solution

The fourth proportional to 365.73, 504.32 and 255.16 is: 351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.73 : 504.32 = 255.16 : x
  2. Step 2: Convert to fraction form
    365.73/504.32 = 255.16/x
  3. Step 3: Cross multiply
    365.73x = 504.32 × 255.16
  4. Step 4: Simplify right side
    365.73x = 128,682.29
  5. Step 5: Solve for x
    x = 128,682.29/365.73
  6. Step 6: Final answer
    x = 351.85

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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.