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Finding the Fourth Proportional to 304.87, 454.59 and 299.41

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Solution

The fourth proportional to 304.87, 454.59 and 299.41 is: 446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.87 : 454.59 = 299.41 : x
  2. Step 2: Convert to fraction form
    304.87/454.59 = 299.41/x
  3. Step 3: Cross multiply
    304.87x = 454.59 × 299.41
  4. Step 4: Simplify right side
    304.87x = 136,108.79
  5. Step 5: Solve for x
    x = 136,108.79/304.87
  6. Step 6: Final answer
    x = 446.45

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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.