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Finding the Fourth Proportional to 614.48, 848.09 and 352.50

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Solution

The fourth proportional to 614.48, 848.09 and 352.50 is: 486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.48 : 848.09 = 352.50 : x
  2. Step 2: Convert to fraction form
    614.48/848.09 = 352.50/x
  3. Step 3: Cross multiply
    614.48x = 848.09 × 352.50
  4. Step 4: Simplify right side
    614.48x = 298,951.73
  5. Step 5: Solve for x
    x = 298,951.73/614.48
  6. Step 6: Final answer
    x = 486.51

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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.