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Finding the Fourth Proportional to 1,168.03, 1,751.42 and 346.20

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Solution

The fourth proportional to 1,168.03, 1,751.42 and 346.20 is: 519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.03 : 1,751.42 = 346.20 : x
  2. Step 2: Convert to fraction form
    1,168.03/1,751.42 = 346.20/x
  3. Step 3: Cross multiply
    1,168.03x = 1,751.42 × 346.20
  4. Step 4: Simplify right side
    1,168.03x = 606,335.90
  5. Step 5: Solve for x
    x = 606,335.90/1,168.03
  6. Step 6: Final answer
    x = 519.11

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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.