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Finding the Fourth Proportional to 847.89, 1,169.83 and 533.47

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Solution

The fourth proportional to 847.89, 1,169.83 and 533.47 is: 736.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    847.89 : 1,169.83 = 533.47 : x
  2. Step 2: Convert to fraction form
    847.89/1,169.83 = 533.47/x
  3. Step 3: Cross multiply
    847.89x = 1,169.83 × 533.47
  4. Step 4: Simplify right side
    847.89x = 624,064.92
  5. Step 5: Solve for x
    x = 624,064.92/847.89
  6. Step 6: Final answer
    x = 736.02

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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.