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Finding the Fourth Proportional to 350.64, 483.88 and 195.40

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Solution

The fourth proportional to 350.64, 483.88 and 195.40 is: 269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.64 : 483.88 = 195.40 : x
  2. Step 2: Convert to fraction form
    350.64/483.88 = 195.40/x
  3. Step 3: Cross multiply
    350.64x = 483.88 × 195.40
  4. Step 4: Simplify right side
    350.64x = 94,550.15
  5. Step 5: Solve for x
    x = 94,550.15/350.64
  6. Step 6: Final answer
    x = 269.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.