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Finding the Fourth Proportional to 373.68, 559.35 and 276.29

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Solution

The fourth proportional to 373.68, 559.35 and 276.29 is: 413.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.68 : 559.35 = 276.29 : x
  2. Step 2: Convert to fraction form
    373.68/559.35 = 276.29/x
  3. Step 3: Cross multiply
    373.68x = 559.35 × 276.29
  4. Step 4: Simplify right side
    373.68x = 154,540.01
  5. Step 5: Solve for x
    x = 154,540.01/373.68
  6. Step 6: Final answer
    x = 413.56

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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.