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Finding the Fourth Proportional to 583.26, 873.06 and 309

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Solution

The fourth proportional to 583.26, 873.06 and 309 is: 462.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.26 : 873.06 = 309 : x
  2. Step 2: Convert to fraction form
    583.26/873.06 = 309/x
  3. Step 3: Cross multiply
    583.26x = 873.06 × 309
  4. Step 4: Simplify right side
    583.26x = 269,775.54
  5. Step 5: Solve for x
    x = 269,775.54/583.26
  6. Step 6: Final answer
    x = 462.53

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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.