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Finding the Fourth Proportional to 584.08, 875.57 and 378.03

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Solution

The fourth proportional to 584.08, 875.57 and 378.03 is: 566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.08 : 875.57 = 378.03 : x
  2. Step 2: Convert to fraction form
    584.08/875.57 = 378.03/x
  3. Step 3: Cross multiply
    584.08x = 875.57 × 378.03
  4. Step 4: Simplify right side
    584.08x = 330,991.73
  5. Step 5: Solve for x
    x = 330,991.73/584.08
  6. Step 6: Final answer
    x = 566.69

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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.