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Finding the Fourth Proportional to 253.05, 377.44 and 245.36

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Solution

The fourth proportional to 253.05, 377.44 and 245.36 is: 365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.05 : 377.44 = 245.36 : x
  2. Step 2: Convert to fraction form
    253.05/377.44 = 245.36/x
  3. Step 3: Cross multiply
    253.05x = 377.44 × 245.36
  4. Step 4: Simplify right side
    253.05x = 92,610.39
  5. Step 5: Solve for x
    x = 92,610.39/253.05
  6. Step 6: Final answer
    x = 365.98

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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.