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Finding the Fourth Proportional to 583.73, 874.98 and 290.91

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Solution

The fourth proportional to 583.73, 874.98 and 290.91 is: 436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.73 : 874.98 = 290.91 : x
  2. Step 2: Convert to fraction form
    583.73/874.98 = 290.91/x
  3. Step 3: Cross multiply
    583.73x = 874.98 × 290.91
  4. Step 4: Simplify right side
    583.73x = 254,540.43
  5. Step 5: Solve for x
    x = 254,540.43/583.73
  6. Step 6: Final answer
    x = 436.06

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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.