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Finding the Fourth Proportional to 635.04, 882.36 and 628.26

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Solution

The fourth proportional to 635.04, 882.36 and 628.26 is: 872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.04 : 882.36 = 628.26 : x
  2. Step 2: Convert to fraction form
    635.04/882.36 = 628.26/x
  3. Step 3: Cross multiply
    635.04x = 882.36 × 628.26
  4. Step 4: Simplify right side
    635.04x = 554,351.49
  5. Step 5: Solve for x
    x = 554,351.49/635.04
  6. Step 6: Final answer
    x = 872.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.