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Finding the Fourth Proportional to 452.93, 624.78 and 266.36

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Solution

The fourth proportional to 452.93, 624.78 and 266.36 is: 367.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.93 : 624.78 = 266.36 : x
  2. Step 2: Convert to fraction form
    452.93/624.78 = 266.36/x
  3. Step 3: Cross multiply
    452.93x = 624.78 × 266.36
  4. Step 4: Simplify right side
    452.93x = 166,413.28
  5. Step 5: Solve for x
    x = 166,413.28/452.93
  6. Step 6: Final answer
    x = 367.42

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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.