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Finding the Fourth Proportional to 1,104.03, 1,656.45 and 735.32

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Solution

The fourth proportional to 1,104.03, 1,656.45 and 735.32 is: 1,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.03 : 1,656.45 = 735.32 : x
  2. Step 2: Convert to fraction form
    1,104.03/1,656.45 = 735.32/x
  3. Step 3: Cross multiply
    1,104.03x = 1,656.45 × 735.32
  4. Step 4: Simplify right side
    1,104.03x = 1,218,024.96
  5. Step 5: Solve for x
    x = 1,218,024.96/1,104.03
  6. Step 6: Final answer
    x = 1,103.25

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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.