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Finding the Fourth Proportional to 605.14, 903.89 and 483.03

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Solution

The fourth proportional to 605.14, 903.89 and 483.03 is: 721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.14 : 903.89 = 483.03 : x
  2. Step 2: Convert to fraction form
    605.14/903.89 = 483.03/x
  3. Step 3: Cross multiply
    605.14x = 903.89 × 483.03
  4. Step 4: Simplify right side
    605.14x = 436,607.19
  5. Step 5: Solve for x
    x = 436,607.19/605.14
  6. Step 6: Final answer
    x = 721.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.