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Finding the Fourth Proportional to 797.93, 1,197.07 and 277.96

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Solution

The fourth proportional to 797.93, 1,197.07 and 277.96 is: 417.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.93 : 1,197.07 = 277.96 : x
  2. Step 2: Convert to fraction form
    797.93/1,197.07 = 277.96/x
  3. Step 3: Cross multiply
    797.93x = 1,197.07 × 277.96
  4. Step 4: Simplify right side
    797.93x = 332,733.89
  5. Step 5: Solve for x
    x = 332,733.89/797.93
  6. Step 6: Final answer
    x = 417.00

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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.