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Finding the Fourth Proportional to 797.41, 1,100.01 and 482.50

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Solution

The fourth proportional to 797.41, 1,100.01 and 482.50 is: 665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.41 : 1,100.01 = 482.50 : x
  2. Step 2: Convert to fraction form
    797.41/1,100.01 = 482.50/x
  3. Step 3: Cross multiply
    797.41x = 1,100.01 × 482.50
  4. Step 4: Simplify right side
    797.41x = 530,754.83
  5. Step 5: Solve for x
    x = 530,754.83/797.41
  6. Step 6: Final answer
    x = 665.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.