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Finding the Fourth Proportional to 344.16, 518.13 and 236.65

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Solution

The fourth proportional to 344.16, 518.13 and 236.65 is: 356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.16 : 518.13 = 236.65 : x
  2. Step 2: Convert to fraction form
    344.16/518.13 = 236.65/x
  3. Step 3: Cross multiply
    344.16x = 518.13 × 236.65
  4. Step 4: Simplify right side
    344.16x = 122,615.46
  5. Step 5: Solve for x
    x = 122,615.46/344.16
  6. Step 6: Final answer
    x = 356.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.