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Finding the Fourth Proportional to 482.59, 666.53 and 352.18

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Solution

The fourth proportional to 482.59, 666.53 and 352.18 is: 486.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.59 : 666.53 = 352.18 : x
  2. Step 2: Convert to fraction form
    482.59/666.53 = 352.18/x
  3. Step 3: Cross multiply
    482.59x = 666.53 × 352.18
  4. Step 4: Simplify right side
    482.59x = 234,738.54
  5. Step 5: Solve for x
    x = 234,738.54/482.59
  6. Step 6: Final answer
    x = 486.41

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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.