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Finding the Fourth Proportional to 365.18, 503.83 and 234.16

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Solution

The fourth proportional to 365.18, 503.83 and 234.16 is: 323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.18 : 503.83 = 234.16 : x
  2. Step 2: Convert to fraction form
    365.18/503.83 = 234.16/x
  3. Step 3: Cross multiply
    365.18x = 503.83 × 234.16
  4. Step 4: Simplify right side
    365.18x = 117,975.66
  5. Step 5: Solve for x
    x = 117,975.66/365.18
  6. Step 6: Final answer
    x = 323.06

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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.