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Finding the Fourth Proportional to 601.92, 898.47 and 550.62

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Solution

The fourth proportional to 601.92, 898.47 and 550.62 is: 821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.92 : 898.47 = 550.62 : x
  2. Step 2: Convert to fraction form
    601.92/898.47 = 550.62/x
  3. Step 3: Cross multiply
    601.92x = 898.47 × 550.62
  4. Step 4: Simplify right side
    601.92x = 494,715.55
  5. Step 5: Solve for x
    x = 494,715.55/601.92
  6. Step 6: Final answer
    x = 821.90

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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.