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Finding the Fourth Proportional to 334.58, 460.62 and 285.17

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Solution

The fourth proportional to 334.58, 460.62 and 285.17 is: 392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.58 : 460.62 = 285.17 : x
  2. Step 2: Convert to fraction form
    334.58/460.62 = 285.17/x
  3. Step 3: Cross multiply
    334.58x = 460.62 × 285.17
  4. Step 4: Simplify right side
    334.58x = 131,352.70
  5. Step 5: Solve for x
    x = 131,352.70/334.58
  6. Step 6: Final answer
    x = 392.60

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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.