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Finding the Fourth Proportional to 795.84, 1,193.83 and 308.90

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Solution

The fourth proportional to 795.84, 1,193.83 and 308.90 is: 463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.84 : 1,193.83 = 308.90 : x
  2. Step 2: Convert to fraction form
    795.84/1,193.83 = 308.90/x
  3. Step 3: Cross multiply
    795.84x = 1,193.83 × 308.90
  4. Step 4: Simplify right side
    795.84x = 368,767.35
  5. Step 5: Solve for x
    x = 368,767.35/795.84
  6. Step 6: Final answer
    x = 463.37

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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.