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Finding the Fourth Proportional to 365.12, 503.52 and 233.92

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Solution

The fourth proportional to 365.12, 503.52 and 233.92 is: 322.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.12 : 503.52 = 233.92 : x
  2. Step 2: Convert to fraction form
    365.12/503.52 = 233.92/x
  3. Step 3: Cross multiply
    365.12x = 503.52 × 233.92
  4. Step 4: Simplify right side
    365.12x = 117,783.40
  5. Step 5: Solve for x
    x = 117,783.40/365.12
  6. Step 6: Final answer
    x = 322.59

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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.