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Finding the Fourth Proportional to 584.93, 879.36 and 412.83

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Solution

The fourth proportional to 584.93, 879.36 and 412.83 is: 620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.93 : 879.36 = 412.83 : x
  2. Step 2: Convert to fraction form
    584.93/879.36 = 412.83/x
  3. Step 3: Cross multiply
    584.93x = 879.36 × 412.83
  4. Step 4: Simplify right side
    584.93x = 363,031.83
  5. Step 5: Solve for x
    x = 363,031.83/584.93
  6. Step 6: Final answer
    x = 620.64

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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.