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Finding the Fourth Proportional to 606.81, 910.03 and 402.47

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Solution

The fourth proportional to 606.81, 910.03 and 402.47 is: 603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.81 : 910.03 = 402.47 : x
  2. Step 2: Convert to fraction form
    606.81/910.03 = 402.47/x
  3. Step 3: Cross multiply
    606.81x = 910.03 × 402.47
  4. Step 4: Simplify right side
    606.81x = 366,258.39
  5. Step 5: Solve for x
    x = 366,258.39/606.81
  6. Step 6: Final answer
    x = 603.58

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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.