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Finding the Fourth Proportional to 1,523.95, 2,285.91 and 369.70

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Solution

The fourth proportional to 1,523.95, 2,285.91 and 369.70 is: 554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.95 : 2,285.91 = 369.70 : x
  2. Step 2: Convert to fraction form
    1,523.95/2,285.91 = 369.70/x
  3. Step 3: Cross multiply
    1,523.95x = 2,285.91 × 369.70
  4. Step 4: Simplify right side
    1,523.95x = 845,100.93
  5. Step 5: Solve for x
    x = 845,100.93/1,523.95
  6. Step 6: Final answer
    x = 554.55

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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.