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Finding the Fourth Proportional to 795.98, 1,194.12 and 385.08

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Solution

The fourth proportional to 795.98, 1,194.12 and 385.08 is: 577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.98 : 1,194.12 = 385.08 : x
  2. Step 2: Convert to fraction form
    795.98/1,194.12 = 385.08/x
  3. Step 3: Cross multiply
    795.98x = 1,194.12 × 385.08
  4. Step 4: Simplify right side
    795.98x = 459,829.53
  5. Step 5: Solve for x
    x = 459,829.53/795.98
  6. Step 6: Final answer
    x = 577.69

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Double scale
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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.