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Finding the Fourth Proportional to 1,203.28, 1,804.77 and 473.38

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Solution

The fourth proportional to 1,203.28, 1,804.77 and 473.38 is: 710.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203.28 : 1,804.77 = 473.38 : x
  2. Step 2: Convert to fraction form
    1,203.28/1,804.77 = 473.38/x
  3. Step 3: Cross multiply
    1,203.28x = 1,804.77 × 473.38
  4. Step 4: Simplify right side
    1,203.28x = 854,342.02
  5. Step 5: Solve for x
    x = 854,342.02/1,203.28
  6. Step 6: Final answer
    x = 710.01

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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.