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Finding the Fourth Proportional to 566.15, 848.96 and 219.65

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Solution

The fourth proportional to 566.15, 848.96 and 219.65 is: 329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.15 : 848.96 = 219.65 : x
  2. Step 2: Convert to fraction form
    566.15/848.96 = 219.65/x
  3. Step 3: Cross multiply
    566.15x = 848.96 × 219.65
  4. Step 4: Simplify right side
    566.15x = 186,474.06
  5. Step 5: Solve for x
    x = 186,474.06/566.15
  6. Step 6: Final answer
    x = 329.37

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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.