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Finding the Fourth Proportional to 583.79, 876.06 and 259.14

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Solution

The fourth proportional to 583.79, 876.06 and 259.14 is: 388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.79 : 876.06 = 259.14 : x
  2. Step 2: Convert to fraction form
    583.79/876.06 = 259.14/x
  3. Step 3: Cross multiply
    583.79x = 876.06 × 259.14
  4. Step 4: Simplify right side
    583.79x = 227,022.19
  5. Step 5: Solve for x
    x = 227,022.19/583.79
  6. Step 6: Final answer
    x = 388.88

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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.