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Finding the Fourth Proportional to 603.96, 903.93 and 444.79

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Solution

The fourth proportional to 603.96, 903.93 and 444.79 is: 665.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.96 : 903.93 = 444.79 : x
  2. Step 2: Convert to fraction form
    603.96/903.93 = 444.79/x
  3. Step 3: Cross multiply
    603.96x = 903.93 × 444.79
  4. Step 4: Simplify right side
    603.96x = 402,058.49
  5. Step 5: Solve for x
    x = 402,058.49/603.96
  6. Step 6: Final answer
    x = 665.71

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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.