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Finding the Fourth Proportional to 253.73, 380.01 and 245.08

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Solution

The fourth proportional to 253.73, 380.01 and 245.08 is: 367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.73 : 380.01 = 245.08 : x
  2. Step 2: Convert to fraction form
    253.73/380.01 = 245.08/x
  3. Step 3: Cross multiply
    253.73x = 380.01 × 245.08
  4. Step 4: Simplify right side
    253.73x = 93,132.85
  5. Step 5: Solve for x
    x = 93,132.85/253.73
  6. Step 6: Final answer
    x = 367.05

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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.