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Finding the Fourth Proportional to 1,168.54, 1,752.55 and 475.02

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Solution

The fourth proportional to 1,168.54, 1,752.55 and 475.02 is: 712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.54 : 1,752.55 = 475.02 : x
  2. Step 2: Convert to fraction form
    1,168.54/1,752.55 = 475.02/x
  3. Step 3: Cross multiply
    1,168.54x = 1,752.55 × 475.02
  4. Step 4: Simplify right side
    1,168.54x = 832,495.11
  5. Step 5: Solve for x
    x = 832,495.11/1,168.54
  6. Step 6: Final answer
    x = 712.42

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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.