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Finding the Fourth Proportional to 440.39, 607.04 and 335.14

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Solution

The fourth proportional to 440.39, 607.04 and 335.14 is: 461.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.39 : 607.04 = 335.14 : x
  2. Step 2: Convert to fraction form
    440.39/607.04 = 335.14/x
  3. Step 3: Cross multiply
    440.39x = 607.04 × 335.14
  4. Step 4: Simplify right side
    440.39x = 203,440.19
  5. Step 5: Solve for x
    x = 203,440.19/440.39
  6. Step 6: Final answer
    x = 461.96

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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.