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Finding the Fourth Proportional to 370.44, 555.52 and 123.59

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Solution

The fourth proportional to 370.44, 555.52 and 123.59 is: 185.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.44 : 555.52 = 123.59 : x
  2. Step 2: Convert to fraction form
    370.44/555.52 = 123.59/x
  3. Step 3: Cross multiply
    370.44x = 555.52 × 123.59
  4. Step 4: Simplify right side
    370.44x = 68,653.63
  5. Step 5: Solve for x
    x = 68,653.63/370.44
  6. Step 6: Final answer
    x = 185.33

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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.