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Finding the Fourth Proportional to 601.83, 900.67 and 550.56

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Solution

The fourth proportional to 601.83, 900.67 and 550.56 is: 823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.83 : 900.67 = 550.56 : x
  2. Step 2: Convert to fraction form
    601.83/900.67 = 550.56/x
  3. Step 3: Cross multiply
    601.83x = 900.67 × 550.56
  4. Step 4: Simplify right side
    601.83x = 495,872.88
  5. Step 5: Solve for x
    x = 495,872.88/601.83
  6. Step 6: Final answer
    x = 823.94

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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.