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Finding the Fourth Proportional to 590.42, 885.57 and 179.57

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Solution

The fourth proportional to 590.42, 885.57 and 179.57 is: 269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.42 : 885.57 = 179.57 : x
  2. Step 2: Convert to fraction form
    590.42/885.57 = 179.57/x
  3. Step 3: Cross multiply
    590.42x = 885.57 × 179.57
  4. Step 4: Simplify right side
    590.42x = 159,019.88
  5. Step 5: Solve for x
    x = 159,019.88/590.42
  6. Step 6: Final answer
    x = 269.33

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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.