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Finding the Fourth Proportional to 797.27, 1,195.47 and 303.57

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Solution

The fourth proportional to 797.27, 1,195.47 and 303.57 is: 455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.27 : 1,195.47 = 303.57 : x
  2. Step 2: Convert to fraction form
    797.27/1,195.47 = 303.57/x
  3. Step 3: Cross multiply
    797.27x = 1,195.47 × 303.57
  4. Step 4: Simplify right side
    797.27x = 362,908.83
  5. Step 5: Solve for x
    x = 362,908.83/797.27
  6. Step 6: Final answer
    x = 455.19

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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.