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Finding the Fourth Proportional to 446.10, 623.10 and 446.10

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Solution

The fourth proportional to 446.10, 623.10 and 446.10 is: 623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.10 : 623.10 = 446.10 : x
  2. Step 2: Convert to fraction form
    446.10/623.10 = 446.10/x
  3. Step 3: Cross multiply
    446.10x = 623.10 × 446.10
  4. Step 4: Simplify right side
    446.10x = 277,964.91
  5. Step 5: Solve for x
    x = 277,964.91/446.10
  6. Step 6: Final answer
    x = 623.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.