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Finding the Fourth Proportional to 371.04, 554.94 and 303

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Solution

The fourth proportional to 371.04, 554.94 and 303 is: 453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.04 : 554.94 = 303 : x
  2. Step 2: Convert to fraction form
    371.04/554.94 = 303/x
  3. Step 3: Cross multiply
    371.04x = 554.94 × 303
  4. Step 4: Simplify right side
    371.04x = 168,146.82
  5. Step 5: Solve for x
    x = 168,146.82/371.04
  6. Step 6: Final answer
    x = 453.18

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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.