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Finding the Fourth Proportional to 675.73, 932.51 and 376.98

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Solution

The fourth proportional to 675.73, 932.51 and 376.98 is: 520.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.73 : 932.51 = 376.98 : x
  2. Step 2: Convert to fraction form
    675.73/932.51 = 376.98/x
  3. Step 3: Cross multiply
    675.73x = 932.51 × 376.98
  4. Step 4: Simplify right side
    675.73x = 351,537.62
  5. Step 5: Solve for x
    x = 351,537.62/675.73
  6. Step 6: Final answer
    x = 520.23

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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.