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Finding the Fourth Proportional to 603.03, 904.38 and 170.09

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Solution

The fourth proportional to 603.03, 904.38 and 170.09 is: 255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.03 : 904.38 = 170.09 : x
  2. Step 2: Convert to fraction form
    603.03/904.38 = 170.09/x
  3. Step 3: Cross multiply
    603.03x = 904.38 × 170.09
  4. Step 4: Simplify right side
    603.03x = 153,825.99
  5. Step 5: Solve for x
    x = 153,825.99/603.03
  6. Step 6: Final answer
    x = 255.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.