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Finding the Fourth Proportional to 584.44, 878.46 and 555.64

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Solution

The fourth proportional to 584.44, 878.46 and 555.64 is: 835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.44 : 878.46 = 555.64 : x
  2. Step 2: Convert to fraction form
    584.44/878.46 = 555.64/x
  3. Step 3: Cross multiply
    584.44x = 878.46 × 555.64
  4. Step 4: Simplify right side
    584.44x = 488,107.51
  5. Step 5: Solve for x
    x = 488,107.51/584.44
  6. Step 6: Final answer
    x = 835.17

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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.