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Finding the Fourth Proportional to 1,195.76, 1,793.36 and 465.04

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Solution

The fourth proportional to 1,195.76, 1,793.36 and 465.04 is: 697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.76 : 1,793.36 = 465.04 : x
  2. Step 2: Convert to fraction form
    1,195.76/1,793.36 = 465.04/x
  3. Step 3: Cross multiply
    1,195.76x = 1,793.36 × 465.04
  4. Step 4: Simplify right side
    1,195.76x = 833,984.13
  5. Step 5: Solve for x
    x = 833,984.13/1,195.76
  6. Step 6: Final answer
    x = 697.45

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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.