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Finding the Fourth Proportional to 247.44, 368.98 and 245.24

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Solution

The fourth proportional to 247.44, 368.98 and 245.24 is: 365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.44 : 368.98 = 245.24 : x
  2. Step 2: Convert to fraction form
    247.44/368.98 = 245.24/x
  3. Step 3: Cross multiply
    247.44x = 368.98 × 245.24
  4. Step 4: Simplify right side
    247.44x = 90,488.66
  5. Step 5: Solve for x
    x = 90,488.66/247.44
  6. Step 6: Final answer
    x = 365.70

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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.