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Finding the Fourth Proportional to 365.50, 544.87 and 359.88

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Solution

The fourth proportional to 365.50, 544.87 and 359.88 is: 536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.50 : 544.87 = 359.88 : x
  2. Step 2: Convert to fraction form
    365.50/544.87 = 359.88/x
  3. Step 3: Cross multiply
    365.50x = 544.87 × 359.88
  4. Step 4: Simplify right side
    365.50x = 196,087.15
  5. Step 5: Solve for x
    x = 196,087.15/365.50
  6. Step 6: Final answer
    x = 536.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.