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Finding the Fourth Proportional to 482.48, 723.60 and 185.93

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Solution

The fourth proportional to 482.48, 723.60 and 185.93 is: 278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.48 : 723.60 = 185.93 : x
  2. Step 2: Convert to fraction form
    482.48/723.60 = 185.93/x
  3. Step 3: Cross multiply
    482.48x = 723.60 × 185.93
  4. Step 4: Simplify right side
    482.48x = 134,540.73
  5. Step 5: Solve for x
    x = 134,540.73/482.48
  6. Step 6: Final answer
    x = 278.85

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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.