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Finding the Fourth Proportional to 794.84, 1,190.72 and 601.09

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Solution

The fourth proportional to 794.84, 1,190.72 and 601.09 is: 900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.84 : 1,190.72 = 601.09 : x
  2. Step 2: Convert to fraction form
    794.84/1,190.72 = 601.09/x
  3. Step 3: Cross multiply
    794.84x = 1,190.72 × 601.09
  4. Step 4: Simplify right side
    794.84x = 715,728.41
  5. Step 5: Solve for x
    x = 715,728.41/794.84
  6. Step 6: Final answer
    x = 900.47

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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.