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Finding the Fourth Proportional to 583.30, 805.07 and 334.79

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Solution

The fourth proportional to 583.30, 805.07 and 334.79 is: 462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.30 : 805.07 = 334.79 : x
  2. Step 2: Convert to fraction form
    583.30/805.07 = 334.79/x
  3. Step 3: Cross multiply
    583.30x = 805.07 × 334.79
  4. Step 4: Simplify right side
    583.30x = 269,529.22
  5. Step 5: Solve for x
    x = 269,529.22/583.30
  6. Step 6: Final answer
    x = 462.08

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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.