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Finding the Fourth Proportional to 583.58, 805.39 and 334.91

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Solution

The fourth proportional to 583.58, 805.39 and 334.91 is: 462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.58 : 805.39 = 334.91 : x
  2. Step 2: Convert to fraction form
    583.58/805.39 = 334.91/x
  3. Step 3: Cross multiply
    583.58x = 805.39 × 334.91
  4. Step 4: Simplify right side
    583.58x = 269,733.96
  5. Step 5: Solve for x
    x = 269,733.96/583.58
  6. Step 6: Final answer
    x = 462.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.