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Finding the Fourth Proportional to 652.88, 979.56 and 531.44

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Solution

The fourth proportional to 652.88, 979.56 and 531.44 is: 797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.88 : 979.56 = 531.44 : x
  2. Step 2: Convert to fraction form
    652.88/979.56 = 531.44/x
  3. Step 3: Cross multiply
    652.88x = 979.56 × 531.44
  4. Step 4: Simplify right side
    652.88x = 520,577.37
  5. Step 5: Solve for x
    x = 520,577.37/652.88
  6. Step 6: Final answer
    x = 797.36

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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.