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Finding the Fourth Proportional to 606.97, 910.46 and 260.01

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Solution

The fourth proportional to 606.97, 910.46 and 260.01 is: 390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.97 : 910.46 = 260.01 : x
  2. Step 2: Convert to fraction form
    606.97/910.46 = 260.01/x
  3. Step 3: Cross multiply
    606.97x = 910.46 × 260.01
  4. Step 4: Simplify right side
    606.97x = 236,728.70
  5. Step 5: Solve for x
    x = 236,728.70/606.97
  6. Step 6: Final answer
    x = 390.02

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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.