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Finding the Fourth Proportional to 584.11, 876.26 and 218.93

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Solution

The fourth proportional to 584.11, 876.26 and 218.93 is: 328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.11 : 876.26 = 218.93 : x
  2. Step 2: Convert to fraction form
    584.11/876.26 = 218.93/x
  3. Step 3: Cross multiply
    584.11x = 876.26 × 218.93
  4. Step 4: Simplify right side
    584.11x = 191,837.41
  5. Step 5: Solve for x
    x = 191,837.41/584.11
  6. Step 6: Final answer
    x = 328.43

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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.