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Finding the Fourth Proportional to 353.07, 489.51 and 334.62

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Solution

The fourth proportional to 353.07, 489.51 and 334.62 is: 463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.07 : 489.51 = 334.62 : x
  2. Step 2: Convert to fraction form
    353.07/489.51 = 334.62/x
  3. Step 3: Cross multiply
    353.07x = 489.51 × 334.62
  4. Step 4: Simplify right side
    353.07x = 163,799.84
  5. Step 5: Solve for x
    x = 163,799.84/353.07
  6. Step 6: Final answer
    x = 463.93

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.