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Finding the Fourth Proportional to 334.57, 462.16 and 299.60

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Solution

The fourth proportional to 334.57, 462.16 and 299.60 is: 413.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.57 : 462.16 = 299.60 : x
  2. Step 2: Convert to fraction form
    334.57/462.16 = 299.60/x
  3. Step 3: Cross multiply
    334.57x = 462.16 × 299.60
  4. Step 4: Simplify right side
    334.57x = 138,461.25
  5. Step 5: Solve for x
    x = 138,461.25/334.57
  6. Step 6: Final answer
    x = 413.85

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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.