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Finding the Fourth Proportional to 1,203.21, 1,804.82 and 337.53

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Solution

The fourth proportional to 1,203.21, 1,804.82 and 337.53 is: 506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203.21 : 1,804.82 = 337.53 : x
  2. Step 2: Convert to fraction form
    1,203.21/1,804.82 = 337.53/x
  3. Step 3: Cross multiply
    1,203.21x = 1,804.82 × 337.53
  4. Step 4: Simplify right side
    1,203.21x = 609,179.21
  5. Step 5: Solve for x
    x = 609,179.21/1,203.21
  6. Step 6: Final answer
    x = 506.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.