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Finding the Fourth Proportional to 616, 850.72 and 432.96

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Solution

The fourth proportional to 616, 850.72 and 432.96 is: 597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    616 : 850.72 = 432.96 : x
  2. Step 2: Convert to fraction form
    616/850.72 = 432.96/x
  3. Step 3: Cross multiply
    616x = 850.72 × 432.96
  4. Step 4: Simplify right side
    616x = 368,327.73
  5. Step 5: Solve for x
    x = 368,327.73/616
  6. Step 6: Final answer
    x = 597.93

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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.