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Finding the Fourth Proportional to 583.99, 805.46 and 413.57

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Solution

The fourth proportional to 583.99, 805.46 and 413.57 is: 570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.99 : 805.46 = 413.57 : x
  2. Step 2: Convert to fraction form
    583.99/805.46 = 413.57/x
  3. Step 3: Cross multiply
    583.99x = 805.46 × 413.57
  4. Step 4: Simplify right side
    583.99x = 333,116.36
  5. Step 5: Solve for x
    x = 333,116.36/583.99
  6. Step 6: Final answer
    x = 570.41

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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.