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Finding the Fourth Proportional to 605.17, 907.17 and 276.13

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Solution

The fourth proportional to 605.17, 907.17 and 276.13 is: 413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.17 : 907.17 = 276.13 : x
  2. Step 2: Convert to fraction form
    605.17/907.17 = 276.13/x
  3. Step 3: Cross multiply
    605.17x = 907.17 × 276.13
  4. Step 4: Simplify right side
    605.17x = 250,496.85
  5. Step 5: Solve for x
    x = 250,496.85/605.17
  6. Step 6: Final answer
    x = 413.93

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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.