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Finding the Fourth Proportional to 584.82, 877.62 and 219.90

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Solution

The fourth proportional to 584.82, 877.62 and 219.90 is: 330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.82 : 877.62 = 219.90 : x
  2. Step 2: Convert to fraction form
    584.82/877.62 = 219.90/x
  3. Step 3: Cross multiply
    584.82x = 877.62 × 219.90
  4. Step 4: Simplify right side
    584.82x = 192,988.64
  5. Step 5: Solve for x
    x = 192,988.64/584.82
  6. Step 6: Final answer
    x = 330.00

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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.