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Finding the Fourth Proportional to 607.75, 910.80 and 333.97

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Solution

The fourth proportional to 607.75, 910.80 and 333.97 is: 500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.75 : 910.80 = 333.97 : x
  2. Step 2: Convert to fraction form
    607.75/910.80 = 333.97/x
  3. Step 3: Cross multiply
    607.75x = 910.80 × 333.97
  4. Step 4: Simplify right side
    607.75x = 304,179.88
  5. Step 5: Solve for x
    x = 304,179.88/607.75
  6. Step 6: Final answer
    x = 500.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.