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Finding the Fourth Proportional to 176.67, 241.76 and 172.89

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Solution

The fourth proportional to 176.67, 241.76 and 172.89 is: 236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.67 : 241.76 = 172.89 : x
  2. Step 2: Convert to fraction form
    176.67/241.76 = 172.89/x
  3. Step 3: Cross multiply
    176.67x = 241.76 × 172.89
  4. Step 4: Simplify right side
    176.67x = 41,798.32
  5. Step 5: Solve for x
    x = 41,798.32/176.67
  6. Step 6: Final answer
    x = 236.59

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.