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Finding the Fourth Proportional to 350.64, 483.85 and 193.24

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Solution

The fourth proportional to 350.64, 483.85 and 193.24 is: 266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.64 : 483.85 = 193.24 : x
  2. Step 2: Convert to fraction form
    350.64/483.85 = 193.24/x
  3. Step 3: Cross multiply
    350.64x = 483.85 × 193.24
  4. Step 4: Simplify right side
    350.64x = 93,499.17
  5. Step 5: Solve for x
    x = 93,499.17/350.64
  6. Step 6: Final answer
    x = 266.65

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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.