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Finding the Fourth Proportional to 349.63, 482.48 and 202.27

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Solution

The fourth proportional to 349.63, 482.48 and 202.27 is: 279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.63 : 482.48 = 202.27 : x
  2. Step 2: Convert to fraction form
    349.63/482.48 = 202.27/x
  3. Step 3: Cross multiply
    349.63x = 482.48 × 202.27
  4. Step 4: Simplify right side
    349.63x = 97,591.23
  5. Step 5: Solve for x
    x = 97,591.23/349.63
  6. Step 6: Final answer
    x = 279.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.