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Finding the Fourth Proportional to 304.48, 454.01 and 300.70

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Solution

The fourth proportional to 304.48, 454.01 and 300.70 is: 448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.48 : 454.01 = 300.70 : x
  2. Step 2: Convert to fraction form
    304.48/454.01 = 300.70/x
  3. Step 3: Cross multiply
    304.48x = 454.01 × 300.70
  4. Step 4: Simplify right side
    304.48x = 136,520.81
  5. Step 5: Solve for x
    x = 136,520.81/304.48
  6. Step 6: Final answer
    x = 448.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.