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Finding the Fourth Proportional to 624.49, 937.02 and 299.95

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Solution

The fourth proportional to 624.49, 937.02 and 299.95 is: 450.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.49 : 937.02 = 299.95 : x
  2. Step 2: Convert to fraction form
    624.49/937.02 = 299.95/x
  3. Step 3: Cross multiply
    624.49x = 937.02 × 299.95
  4. Step 4: Simplify right side
    624.49x = 281,059.15
  5. Step 5: Solve for x
    x = 281,059.15/624.49
  6. Step 6: Final answer
    x = 450.06

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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.