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Finding the Fourth Proportional to 501.99, 748.72 and 444.88

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Solution

The fourth proportional to 501.99, 748.72 and 444.88 is: 663.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.99 : 748.72 = 444.88 : x
  2. Step 2: Convert to fraction form
    501.99/748.72 = 444.88/x
  3. Step 3: Cross multiply
    501.99x = 748.72 × 444.88
  4. Step 4: Simplify right side
    501.99x = 333,090.55
  5. Step 5: Solve for x
    x = 333,090.55/501.99
  6. Step 6: Final answer
    x = 663.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.