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Finding the Fourth Proportional to 603.59, 903.89 and 294.44

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Solution

The fourth proportional to 603.59, 903.89 and 294.44 is: 440.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.59 : 903.89 = 294.44 : x
  2. Step 2: Convert to fraction form
    603.59/903.89 = 294.44/x
  3. Step 3: Cross multiply
    603.59x = 903.89 × 294.44
  4. Step 4: Simplify right side
    603.59x = 266,142.67
  5. Step 5: Solve for x
    x = 266,142.67/603.59
  6. Step 6: Final answer
    x = 440.94

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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.