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Finding the Fourth Proportional to 244.58, 365.60 and 214.61

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Solution

The fourth proportional to 244.58, 365.60 and 214.61 is: 320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.58 : 365.60 = 214.61 : x
  2. Step 2: Convert to fraction form
    244.58/365.60 = 214.61/x
  3. Step 3: Cross multiply
    244.58x = 365.60 × 214.61
  4. Step 4: Simplify right side
    244.58x = 78,460.12
  5. Step 5: Solve for x
    x = 78,460.12/244.58
  6. Step 6: Final answer
    x = 320.80

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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.