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Finding the Fourth Proportional to 440.44, 608 and 265.75

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Solution

The fourth proportional to 440.44, 608 and 265.75 is: 366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.44 : 608 = 265.75 : x
  2. Step 2: Convert to fraction form
    440.44/608 = 265.75/x
  3. Step 3: Cross multiply
    440.44x = 608 × 265.75
  4. Step 4: Simplify right side
    440.44x = 161,576
  5. Step 5: Solve for x
    x = 161,576/440.44
  6. Step 6: Final answer
    x = 366.85

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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.