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Finding the Fourth Proportional to 584.60, 871.44 and 575.69

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Solution

The fourth proportional to 584.60, 871.44 and 575.69 is: 858.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.60 : 871.44 = 575.69 : x
  2. Step 2: Convert to fraction form
    584.60/871.44 = 575.69/x
  3. Step 3: Cross multiply
    584.60x = 871.44 × 575.69
  4. Step 4: Simplify right side
    584.60x = 501,676.42
  5. Step 5: Solve for x
    x = 501,676.42/584.60
  6. Step 6: Final answer
    x = 858.15

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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.