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Finding the Fourth Proportional to 566, 848.87 and 219.22

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Solution

The fourth proportional to 566, 848.87 and 219.22 is: 328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    566 : 848.87 = 219.22 : x
  2. Step 2: Convert to fraction form
    566/848.87 = 219.22/x
  3. Step 3: Cross multiply
    566x = 848.87 × 219.22
  4. Step 4: Simplify right side
    566x = 186,089.28
  5. Step 5: Solve for x
    x = 186,089.28/566
  6. Step 6: Final answer
    x = 328.78

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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.