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Finding the Fourth Proportional to 589.72, 884.57 and 178.86

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Solution

The fourth proportional to 589.72, 884.57 and 178.86 is: 268.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.72 : 884.57 = 178.86 : x
  2. Step 2: Convert to fraction form
    589.72/884.57 = 178.86/x
  3. Step 3: Cross multiply
    589.72x = 884.57 × 178.86
  4. Step 4: Simplify right side
    589.72x = 158,214.19
  5. Step 5: Solve for x
    x = 158,214.19/589.72
  6. Step 6: Final answer
    x = 268.29

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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.