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Finding the Fourth Proportional to 613.73, 919.01 and 532.60

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Solution

The fourth proportional to 613.73, 919.01 and 532.60 is: 797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.73 : 919.01 = 532.60 : x
  2. Step 2: Convert to fraction form
    613.73/919.01 = 532.60/x
  3. Step 3: Cross multiply
    613.73x = 919.01 × 532.60
  4. Step 4: Simplify right side
    613.73x = 489,463.76
  5. Step 5: Solve for x
    x = 489,463.76/613.73
  6. Step 6: Final answer
    x = 797.52

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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.