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Finding the Fourth Proportional to 503.54, 758.36 and 446.48

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Solution

The fourth proportional to 503.54, 758.36 and 446.48 is: 672.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.54 : 758.36 = 446.48 : x
  2. Step 2: Convert to fraction form
    503.54/758.36 = 446.48/x
  3. Step 3: Cross multiply
    503.54x = 758.36 × 446.48
  4. Step 4: Simplify right side
    503.54x = 338,592.57
  5. Step 5: Solve for x
    x = 338,592.57/503.54
  6. Step 6: Final answer
    x = 672.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.