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Finding the Fourth Proportional to 584.08, 876.28 and 218.96

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Solution

The fourth proportional to 584.08, 876.28 and 218.96 is: 328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.08 : 876.28 = 218.96 : x
  2. Step 2: Convert to fraction form
    584.08/876.28 = 218.96/x
  3. Step 3: Cross multiply
    584.08x = 876.28 × 218.96
  4. Step 4: Simplify right side
    584.08x = 191,870.27
  5. Step 5: Solve for x
    x = 191,870.27/584.08
  6. Step 6: Final answer
    x = 328.50

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Double scale
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Similar ratio
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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.