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Finding the Fourth Proportional to 506.41, 755.94 and 483.94

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Solution

The fourth proportional to 506.41, 755.94 and 483.94 is: 722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.41 : 755.94 = 483.94 : x
  2. Step 2: Convert to fraction form
    506.41/755.94 = 483.94/x
  3. Step 3: Cross multiply
    506.41x = 755.94 × 483.94
  4. Step 4: Simplify right side
    506.41x = 365,829.60
  5. Step 5: Solve for x
    x = 365,829.60/506.41
  6. Step 6: Final answer
    x = 722.40

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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.