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Finding the Fourth Proportional to 244.21, 365.85 and 157.45

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Solution

The fourth proportional to 244.21, 365.85 and 157.45 is: 235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.21 : 365.85 = 157.45 : x
  2. Step 2: Convert to fraction form
    244.21/365.85 = 157.45/x
  3. Step 3: Cross multiply
    244.21x = 365.85 × 157.45
  4. Step 4: Simplify right side
    244.21x = 57,603.08
  5. Step 5: Solve for x
    x = 57,603.08/244.21
  6. Step 6: Final answer
    x = 235.88

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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.