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Finding the Fourth Proportional to 624.52, 941.01 and 518.68

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Solution

The fourth proportional to 624.52, 941.01 and 518.68 is: 781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.52 : 941.01 = 518.68 : x
  2. Step 2: Convert to fraction form
    624.52/941.01 = 518.68/x
  3. Step 3: Cross multiply
    624.52x = 941.01 × 518.68
  4. Step 4: Simplify right side
    624.52x = 488,083.07
  5. Step 5: Solve for x
    x = 488,083.07/624.52
  6. Step 6: Final answer
    x = 781.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.