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Finding the Fourth Proportional to 351.44, 483.77 and 304.53

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Solution

The fourth proportional to 351.44, 483.77 and 304.53 is: 419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.44 : 483.77 = 304.53 : x
  2. Step 2: Convert to fraction form
    351.44/483.77 = 304.53/x
  3. Step 3: Cross multiply
    351.44x = 483.77 × 304.53
  4. Step 4: Simplify right side
    351.44x = 147,325.51
  5. Step 5: Solve for x
    x = 147,325.51/351.44
  6. Step 6: Final answer
    x = 419.21

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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.