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Finding the Fourth Proportional to 476.81, 658.24 and 300.03

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Solution

The fourth proportional to 476.81, 658.24 and 300.03 is: 414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.81 : 658.24 = 300.03 : x
  2. Step 2: Convert to fraction form
    476.81/658.24 = 300.03/x
  3. Step 3: Cross multiply
    476.81x = 658.24 × 300.03
  4. Step 4: Simplify right side
    476.81x = 197,491.00
  5. Step 5: Solve for x
    x = 197,491.00/476.81
  6. Step 6: Final answer
    x = 414.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.