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Finding the Fourth Proportional to 352.55, 528.59 and 179.28

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Solution

The fourth proportional to 352.55, 528.59 and 179.28 is: 268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.55 : 528.59 = 179.28 : x
  2. Step 2: Convert to fraction form
    352.55/528.59 = 179.28/x
  3. Step 3: Cross multiply
    352.55x = 528.59 × 179.28
  4. Step 4: Simplify right side
    352.55x = 94,766.06
  5. Step 5: Solve for x
    x = 94,766.06/352.55
  6. Step 6: Final answer
    x = 268.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.