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Finding the Fourth Proportional to 360.46, 497.48 and 272.98

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Solution

The fourth proportional to 360.46, 497.48 and 272.98 is: 376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.46 : 497.48 = 272.98 : x
  2. Step 2: Convert to fraction form
    360.46/497.48 = 272.98/x
  3. Step 3: Cross multiply
    360.46x = 497.48 × 272.98
  4. Step 4: Simplify right side
    360.46x = 135,802.09
  5. Step 5: Solve for x
    x = 135,802.09/360.46
  6. Step 6: Final answer
    x = 376.75

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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.