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Finding the Fourth Proportional to 482.08, 665.57 and 371.34

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Solution

The fourth proportional to 482.08, 665.57 and 371.34 is: 512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.08 : 665.57 = 371.34 : x
  2. Step 2: Convert to fraction form
    482.08/665.57 = 371.34/x
  3. Step 3: Cross multiply
    482.08x = 665.57 × 371.34
  4. Step 4: Simplify right side
    482.08x = 247,152.76
  5. Step 5: Solve for x
    x = 247,152.76/482.08
  6. Step 6: Final answer
    x = 512.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.