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Finding the Fourth Proportional to 501.62, 747.79 and 493.73

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Solution

The fourth proportional to 501.62, 747.79 and 493.73 is: 736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.62 : 747.79 = 493.73 : x
  2. Step 2: Convert to fraction form
    501.62/747.79 = 493.73/x
  3. Step 3: Cross multiply
    501.62x = 747.79 × 493.73
  4. Step 4: Simplify right side
    501.62x = 369,206.36
  5. Step 5: Solve for x
    x = 369,206.36/501.62
  6. Step 6: Final answer
    x = 736.03

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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.