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Finding the Fourth Proportional to 508.73, 701.99 and 376.02

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Solution

The fourth proportional to 508.73, 701.99 and 376.02 is: 518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.73 : 701.99 = 376.02 : x
  2. Step 2: Convert to fraction form
    508.73/701.99 = 376.02/x
  3. Step 3: Cross multiply
    508.73x = 701.99 × 376.02
  4. Step 4: Simplify right side
    508.73x = 263,960.89
  5. Step 5: Solve for x
    x = 263,960.89/508.73
  6. Step 6: Final answer
    x = 518.86

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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.