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Finding the Fourth Proportional to 482.28, 666.24 and 352

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Solution

The fourth proportional to 482.28, 666.24 and 352 is: 486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.28 : 666.24 = 352 : x
  2. Step 2: Convert to fraction form
    482.28/666.24 = 352/x
  3. Step 3: Cross multiply
    482.28x = 666.24 × 352
  4. Step 4: Simplify right side
    482.28x = 234,516.48
  5. Step 5: Solve for x
    x = 234,516.48/482.28
  6. Step 6: Final answer
    x = 486.27

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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.