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Finding the Fourth Proportional to 1,027.04, 1,540.58 and 368.73

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Solution

The fourth proportional to 1,027.04, 1,540.58 and 368.73 is: 553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.04 : 1,540.58 = 368.73 : x
  2. Step 2: Convert to fraction form
    1,027.04/1,540.58 = 368.73/x
  3. Step 3: Cross multiply
    1,027.04x = 1,540.58 × 368.73
  4. Step 4: Simplify right side
    1,027.04x = 568,056.22
  5. Step 5: Solve for x
    x = 568,056.22/1,027.04
  6. Step 6: Final answer
    x = 553.10

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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.