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Finding the Fourth Proportional to 795.87, 1,195.14 and 489.51

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Solution

The fourth proportional to 795.87, 1,195.14 and 489.51 is: 735.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.87 : 1,195.14 = 489.51 : x
  2. Step 2: Convert to fraction form
    795.87/1,195.14 = 489.51/x
  3. Step 3: Cross multiply
    795.87x = 1,195.14 × 489.51
  4. Step 4: Simplify right side
    795.87x = 585,032.98
  5. Step 5: Solve for x
    x = 585,032.98/795.87
  6. Step 6: Final answer
    x = 735.09

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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.