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Finding the Fourth Proportional to 606.62, 910.06 and 259.97

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Solution

The fourth proportional to 606.62, 910.06 and 259.97 is: 390.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.62 : 910.06 = 259.97 : x
  2. Step 2: Convert to fraction form
    606.62/910.06 = 259.97/x
  3. Step 3: Cross multiply
    606.62x = 910.06 × 259.97
  4. Step 4: Simplify right side
    606.62x = 236,583.10
  5. Step 5: Solve for x
    x = 236,583.10/606.62
  6. Step 6: Final answer
    x = 390.00

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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.