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Finding the Fourth Proportional to 440.37, 608.04 and 265.95

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Solution

The fourth proportional to 440.37, 608.04 and 265.95 is: 367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.37 : 608.04 = 265.95 : x
  2. Step 2: Convert to fraction form
    440.37/608.04 = 265.95/x
  3. Step 3: Cross multiply
    440.37x = 608.04 × 265.95
  4. Step 4: Simplify right side
    440.37x = 161,708.24
  5. Step 5: Solve for x
    x = 161,708.24/440.37
  6. Step 6: Final answer
    x = 367.21

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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.