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Finding the Fourth Proportional to 365.82, 505.01 and 248.41

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Solution

The fourth proportional to 365.82, 505.01 and 248.41 is: 342.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.82 : 505.01 = 248.41 : x
  2. Step 2: Convert to fraction form
    365.82/505.01 = 248.41/x
  3. Step 3: Cross multiply
    365.82x = 505.01 × 248.41
  4. Step 4: Simplify right side
    365.82x = 125,450.79
  5. Step 5: Solve for x
    x = 125,450.79/365.82
  6. Step 6: Final answer
    x = 342.93

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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.