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Finding the Fourth Proportional to 624.23, 935.49 and 299.02

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Solution

The fourth proportional to 624.23, 935.49 and 299.02 is: 448.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.23 : 935.49 = 299.02 : x
  2. Step 2: Convert to fraction form
    624.23/935.49 = 299.02/x
  3. Step 3: Cross multiply
    624.23x = 935.49 × 299.02
  4. Step 4: Simplify right side
    624.23x = 279,730.22
  5. Step 5: Solve for x
    x = 279,730.22/624.23
  6. Step 6: Final answer
    x = 448.12

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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.