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Finding the Fourth Proportional to 501.04, 745.61 and 481.60

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Solution

The fourth proportional to 501.04, 745.61 and 481.60 is: 716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.04 : 745.61 = 481.60 : x
  2. Step 2: Convert to fraction form
    501.04/745.61 = 481.60/x
  3. Step 3: Cross multiply
    501.04x = 745.61 × 481.60
  4. Step 4: Simplify right side
    501.04x = 359,085.78
  5. Step 5: Solve for x
    x = 359,085.78/501.04
  6. Step 6: Final answer
    x = 716.68

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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.