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Finding the Fourth Proportional to 1,235.74, 1,853.28 and 370.06

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Solution

The fourth proportional to 1,235.74, 1,853.28 and 370.06 is: 554.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235.74 : 1,853.28 = 370.06 : x
  2. Step 2: Convert to fraction form
    1,235.74/1,853.28 = 370.06/x
  3. Step 3: Cross multiply
    1,235.74x = 1,853.28 × 370.06
  4. Step 4: Simplify right side
    1,235.74x = 685,824.80
  5. Step 5: Solve for x
    x = 685,824.80/1,235.74
  6. Step 6: Final answer
    x = 554.99

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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.