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Finding the Fourth Proportional to 482.76, 665.80 and 335.75

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Solution

The fourth proportional to 482.76, 665.80 and 335.75 is: 463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.76 : 665.80 = 335.75 : x
  2. Step 2: Convert to fraction form
    482.76/665.80 = 335.75/x
  3. Step 3: Cross multiply
    482.76x = 665.80 × 335.75
  4. Step 4: Simplify right side
    482.76x = 223,537.34
  5. Step 5: Solve for x
    x = 223,537.34/482.76
  6. Step 6: Final answer
    x = 463.04

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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.