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Finding the Fourth Proportional to 365.13, 503.93 and 234.09

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Solution

The fourth proportional to 365.13, 503.93 and 234.09 is: 323.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.13 : 503.93 = 234.09 : x
  2. Step 2: Convert to fraction form
    365.13/503.93 = 234.09/x
  3. Step 3: Cross multiply
    365.13x = 503.93 × 234.09
  4. Step 4: Simplify right side
    365.13x = 117,963.80
  5. Step 5: Solve for x
    x = 117,963.80/365.13
  6. Step 6: Final answer
    x = 323.07

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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.