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Finding the Fourth Proportional to 603.03, 833.03 and 558.38

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Solution

The fourth proportional to 603.03, 833.03 and 558.38 is: 771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.03 : 833.03 = 558.38 : x
  2. Step 2: Convert to fraction form
    603.03/833.03 = 558.38/x
  3. Step 3: Cross multiply
    603.03x = 833.03 × 558.38
  4. Step 4: Simplify right side
    603.03x = 465,140.33
  5. Step 5: Solve for x
    x = 465,140.33/603.03
  6. Step 6: Final answer
    x = 771.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.