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Finding the Fourth Proportional to 350.48, 483.68 and 193.13

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Solution

The fourth proportional to 350.48, 483.68 and 193.13 is: 266.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.48 : 483.68 = 193.13 : x
  2. Step 2: Convert to fraction form
    350.48/483.68 = 193.13/x
  3. Step 3: Cross multiply
    350.48x = 483.68 × 193.13
  4. Step 4: Simplify right side
    350.48x = 93,413.12
  5. Step 5: Solve for x
    x = 93,413.12/350.48
  6. Step 6: Final answer
    x = 266.53

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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.