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Finding the Fourth Proportional to 584.90, 877.24 and 214.63

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Solution

The fourth proportional to 584.90, 877.24 and 214.63 is: 321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.90 : 877.24 = 214.63 : x
  2. Step 2: Convert to fraction form
    584.90/877.24 = 214.63/x
  3. Step 3: Cross multiply
    584.90x = 877.24 × 214.63
  4. Step 4: Simplify right side
    584.90x = 188,282.02
  5. Step 5: Solve for x
    x = 188,282.02/584.90
  6. Step 6: Final answer
    x = 321.90

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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.