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Finding the Fourth Proportional to 617.52, 926.79 and 325.35

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Solution

The fourth proportional to 617.52, 926.79 and 325.35 is: 488.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.52 : 926.79 = 325.35 : x
  2. Step 2: Convert to fraction form
    617.52/926.79 = 325.35/x
  3. Step 3: Cross multiply
    617.52x = 926.79 × 325.35
  4. Step 4: Simplify right side
    617.52x = 301,531.13
  5. Step 5: Solve for x
    x = 301,531.13/617.52
  6. Step 6: Final answer
    x = 488.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.