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Finding the Fourth Proportional to 483.48, 667.51 and 350.91

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Solution

The fourth proportional to 483.48, 667.51 and 350.91 is: 484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.48 : 667.51 = 350.91 : x
  2. Step 2: Convert to fraction form
    483.48/667.51 = 350.91/x
  3. Step 3: Cross multiply
    483.48x = 667.51 × 350.91
  4. Step 4: Simplify right side
    483.48x = 234,235.06
  5. Step 5: Solve for x
    x = 234,235.06/483.48
  6. Step 6: Final answer
    x = 484.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.