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Finding the Fourth Proportional to 626.97, 940.59 and 302.16

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Solution

The fourth proportional to 626.97, 940.59 and 302.16 is: 453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.97 : 940.59 = 302.16 : x
  2. Step 2: Convert to fraction form
    626.97/940.59 = 302.16/x
  3. Step 3: Cross multiply
    626.97x = 940.59 × 302.16
  4. Step 4: Simplify right side
    626.97x = 284,208.67
  5. Step 5: Solve for x
    x = 284,208.67/626.97
  6. Step 6: Final answer
    x = 453.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.