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Finding the Fourth Proportional to 501.54, 746.83 and 483.09

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Solution

The fourth proportional to 501.54, 746.83 and 483.09 is: 719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.54 : 746.83 = 483.09 : x
  2. Step 2: Convert to fraction form
    501.54/746.83 = 483.09/x
  3. Step 3: Cross multiply
    501.54x = 746.83 × 483.09
  4. Step 4: Simplify right side
    501.54x = 360,786.69
  5. Step 5: Solve for x
    x = 360,786.69/501.54
  6. Step 6: Final answer
    x = 719.36

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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.