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Finding the Fourth Proportional to 344.14, 474.79 and 265.48

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Solution

The fourth proportional to 344.14, 474.79 and 265.48 is: 366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.14 : 474.79 = 265.48 : x
  2. Step 2: Convert to fraction form
    344.14/474.79 = 265.48/x
  3. Step 3: Cross multiply
    344.14x = 474.79 × 265.48
  4. Step 4: Simplify right side
    344.14x = 126,047.25
  5. Step 5: Solve for x
    x = 126,047.25/344.14
  6. Step 6: Final answer
    x = 366.27

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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.