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Finding the Fourth Proportional to 344.36, 475.01 and 245.95

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Solution

The fourth proportional to 344.36, 475.01 and 245.95 is: 339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.36 : 475.01 = 245.95 : x
  2. Step 2: Convert to fraction form
    344.36/475.01 = 245.95/x
  3. Step 3: Cross multiply
    344.36x = 475.01 × 245.95
  4. Step 4: Simplify right side
    344.36x = 116,825.10
  5. Step 5: Solve for x
    x = 116,825.10/344.36
  6. Step 6: Final answer
    x = 339.25

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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.