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Finding the Fourth Proportional to 551.24, 819.77 and 533.93

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Solution

The fourth proportional to 551.24, 819.77 and 533.93 is: 794.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.24 : 819.77 = 533.93 : x
  2. Step 2: Convert to fraction form
    551.24/819.77 = 533.93/x
  3. Step 3: Cross multiply
    551.24x = 819.77 × 533.93
  4. Step 4: Simplify right side
    551.24x = 437,693.03
  5. Step 5: Solve for x
    x = 437,693.03/551.24
  6. Step 6: Final answer
    x = 794.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.