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Finding the Fourth Proportional to 589.13, 883.69 and 156.28

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Solution

The fourth proportional to 589.13, 883.69 and 156.28 is: 234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.13 : 883.69 = 156.28 : x
  2. Step 2: Convert to fraction form
    589.13/883.69 = 156.28/x
  3. Step 3: Cross multiply
    589.13x = 883.69 × 156.28
  4. Step 4: Simplify right side
    589.13x = 138,103.07
  5. Step 5: Solve for x
    x = 138,103.07/589.13
  6. Step 6: Final answer
    x = 234.42

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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.