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Finding the Fourth Proportional to 503.16, 758.94 and 443.04

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Solution

The fourth proportional to 503.16, 758.94 and 443.04 is: 668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.16 : 758.94 = 443.04 : x
  2. Step 2: Convert to fraction form
    503.16/758.94 = 443.04/x
  3. Step 3: Cross multiply
    503.16x = 758.94 × 443.04
  4. Step 4: Simplify right side
    503.16x = 336,240.78
  5. Step 5: Solve for x
    x = 336,240.78/503.16
  6. Step 6: Final answer
    x = 668.26

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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.