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Finding the Fourth Proportional to 501.17, 687.94 and 444.68

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Solution

The fourth proportional to 501.17, 687.94 and 444.68 is: 610.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.17 : 687.94 = 444.68 : x
  2. Step 2: Convert to fraction form
    501.17/687.94 = 444.68/x
  3. Step 3: Cross multiply
    501.17x = 687.94 × 444.68
  4. Step 4: Simplify right side
    501.17x = 305,907.50
  5. Step 5: Solve for x
    x = 305,907.50/501.17
  6. Step 6: Final answer
    x = 610.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.