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Finding the Fourth Proportional to 370.73, 554.81 and 304.94

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Solution

The fourth proportional to 370.73, 554.81 and 304.94 is: 456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.73 : 554.81 = 304.94 : x
  2. Step 2: Convert to fraction form
    370.73/554.81 = 304.94/x
  3. Step 3: Cross multiply
    370.73x = 554.81 × 304.94
  4. Step 4: Simplify right side
    370.73x = 169,179.46
  5. Step 5: Solve for x
    x = 169,179.46/370.73
  6. Step 6: Final answer
    x = 456.35

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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.