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Finding the Fourth Proportional to 366.07, 506.00 and 304.91

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Solution

The fourth proportional to 366.07, 506.00 and 304.91 is: 421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.07 : 506.00 = 304.91 : x
  2. Step 2: Convert to fraction form
    366.07/506.00 = 304.91/x
  3. Step 3: Cross multiply
    366.07x = 506.00 × 304.91
  4. Step 4: Simplify right side
    366.07x = 154,285.72
  5. Step 5: Solve for x
    x = 154,285.72/366.07
  6. Step 6: Final answer
    x = 421.47

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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.