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Finding the Fourth Proportional to 350.60, 483.32 and 217.74

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Solution

The fourth proportional to 350.60, 483.32 and 217.74 is: 300.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.60 : 483.32 = 217.74 : x
  2. Step 2: Convert to fraction form
    350.60/483.32 = 217.74/x
  3. Step 3: Cross multiply
    350.60x = 483.32 × 217.74
  4. Step 4: Simplify right side
    350.60x = 105,238.64
  5. Step 5: Solve for x
    x = 105,238.64/350.60
  6. Step 6: Final answer
    x = 300.17

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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.