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Finding the Fourth Proportional to 349.05, 482.27 and 275.93

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Solution

The fourth proportional to 349.05, 482.27 and 275.93 is: 381.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.05 : 482.27 = 275.93 : x
  2. Step 2: Convert to fraction form
    349.05/482.27 = 275.93/x
  3. Step 3: Cross multiply
    349.05x = 482.27 × 275.93
  4. Step 4: Simplify right side
    349.05x = 133,068.97
  5. Step 5: Solve for x
    x = 133,068.97/349.05
  6. Step 6: Final answer
    x = 381.23

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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.