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Finding the Fourth Proportional to 176.52, 243.58 and 170.60

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Solution

The fourth proportional to 176.52, 243.58 and 170.60 is: 235.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.52 : 243.58 = 170.60 : x
  2. Step 2: Convert to fraction form
    176.52/243.58 = 170.60/x
  3. Step 3: Cross multiply
    176.52x = 243.58 × 170.60
  4. Step 4: Simplify right side
    176.52x = 41,554.75
  5. Step 5: Solve for x
    x = 41,554.75/176.52
  6. Step 6: Final answer
    x = 235.41

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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.