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Finding the Fourth Proportional to 365.92, 505.14 and 235.00

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Solution

The fourth proportional to 365.92, 505.14 and 235.00 is: 324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.92 : 505.14 = 235.00 : x
  2. Step 2: Convert to fraction form
    365.92/505.14 = 235.00/x
  3. Step 3: Cross multiply
    365.92x = 505.14 × 235.00
  4. Step 4: Simplify right side
    365.92x = 118,707.65
  5. Step 5: Solve for x
    x = 118,707.65/365.92
  6. Step 6: Final answer
    x = 324.41

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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.