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Finding the Fourth Proportional to 350.60, 486.47 and 340.52

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Solution

The fourth proportional to 350.60, 486.47 and 340.52 is: 472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.60 : 486.47 = 340.52 : x
  2. Step 2: Convert to fraction form
    350.60/486.47 = 340.52/x
  3. Step 3: Cross multiply
    350.60x = 486.47 × 340.52
  4. Step 4: Simplify right side
    350.60x = 165,652.76
  5. Step 5: Solve for x
    x = 165,652.76/350.60
  6. Step 6: Final answer
    x = 472.48

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.