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Finding the Fourth Proportional to 795.64, 1,193.50 and 247.82

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Solution

The fourth proportional to 795.64, 1,193.50 and 247.82 is: 371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.64 : 1,193.50 = 247.82 : x
  2. Step 2: Convert to fraction form
    795.64/1,193.50 = 247.82/x
  3. Step 3: Cross multiply
    795.64x = 1,193.50 × 247.82
  4. Step 4: Simplify right side
    795.64x = 295,773.17
  5. Step 5: Solve for x
    x = 295,773.17/795.64
  6. Step 6: Final answer
    x = 371.74

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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.