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Finding the Fourth Proportional to 271.64, 405.58 and 244.34

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Solution

The fourth proportional to 271.64, 405.58 and 244.34 is: 364.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.64 : 405.58 = 244.34 : x
  2. Step 2: Convert to fraction form
    271.64/405.58 = 244.34/x
  3. Step 3: Cross multiply
    271.64x = 405.58 × 244.34
  4. Step 4: Simplify right side
    271.64x = 99,099.42
  5. Step 5: Solve for x
    x = 99,099.42/271.64
  6. Step 6: Final answer
    x = 364.82

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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.