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Finding the Fourth Proportional to 614.44, 847.92 and 352.52

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Solution

The fourth proportional to 614.44, 847.92 and 352.52 is: 486.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.44 : 847.92 = 352.52 : x
  2. Step 2: Convert to fraction form
    614.44/847.92 = 352.52/x
  3. Step 3: Cross multiply
    614.44x = 847.92 × 352.52
  4. Step 4: Simplify right side
    614.44x = 298,908.76
  5. Step 5: Solve for x
    x = 298,908.76/614.44
  6. Step 6: Final answer
    x = 486.47

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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.