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Finding the Fourth Proportional to 606.93, 910.05 and 298.12

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Solution

The fourth proportional to 606.93, 910.05 and 298.12 is: 447.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.93 : 910.05 = 298.12 : x
  2. Step 2: Convert to fraction form
    606.93/910.05 = 298.12/x
  3. Step 3: Cross multiply
    606.93x = 910.05 × 298.12
  4. Step 4: Simplify right side
    606.93x = 271,304.11
  5. Step 5: Solve for x
    x = 271,304.11/606.93
  6. Step 6: Final answer
    x = 447.01

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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.