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Finding the Fourth Proportional to 617.63, 852.29 and 337.81

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Solution

The fourth proportional to 617.63, 852.29 and 337.81 is: 466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.63 : 852.29 = 337.81 : x
  2. Step 2: Convert to fraction form
    617.63/852.29 = 337.81/x
  3. Step 3: Cross multiply
    617.63x = 852.29 × 337.81
  4. Step 4: Simplify right side
    617.63x = 287,912.08
  5. Step 5: Solve for x
    x = 287,912.08/617.63
  6. Step 6: Final answer
    x = 466.16

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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.