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Finding the Fourth Proportional to 589.56, 882.66 and 511.08

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Solution

The fourth proportional to 589.56, 882.66 and 511.08 is: 765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.56 : 882.66 = 511.08 : x
  2. Step 2: Convert to fraction form
    589.56/882.66 = 511.08/x
  3. Step 3: Cross multiply
    589.56x = 882.66 × 511.08
  4. Step 4: Simplify right side
    589.56x = 451,109.87
  5. Step 5: Solve for x
    x = 451,109.87/589.56
  6. Step 6: Final answer
    x = 765.16

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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.