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Finding the Fourth Proportional to 349.72, 482.76 and 244.82

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Solution

The fourth proportional to 349.72, 482.76 and 244.82 is: 337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.72 : 482.76 = 244.82 : x
  2. Step 2: Convert to fraction form
    349.72/482.76 = 244.82/x
  3. Step 3: Cross multiply
    349.72x = 482.76 × 244.82
  4. Step 4: Simplify right side
    349.72x = 118,190.51
  5. Step 5: Solve for x
    x = 118,190.51/349.72
  6. Step 6: Final answer
    x = 337.96

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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.