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Finding the Fourth Proportional to 506.93, 755.16 and 483.44

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Solution

The fourth proportional to 506.93, 755.16 and 483.44 is: 720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.93 : 755.16 = 483.44 : x
  2. Step 2: Convert to fraction form
    506.93/755.16 = 483.44/x
  3. Step 3: Cross multiply
    506.93x = 755.16 × 483.44
  4. Step 4: Simplify right side
    506.93x = 365,068.96
  5. Step 5: Solve for x
    x = 365,068.96/506.93
  6. Step 6: Final answer
    x = 720.16

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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.