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Finding the Fourth Proportional to 265.02, 365.49 and 171.67

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Solution

The fourth proportional to 265.02, 365.49 and 171.67 is: 236.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.02 : 365.49 = 171.67 : x
  2. Step 2: Convert to fraction form
    265.02/365.49 = 171.67/x
  3. Step 3: Cross multiply
    265.02x = 365.49 × 171.67
  4. Step 4: Simplify right side
    265.02x = 62,740.98
  5. Step 5: Solve for x
    x = 62,740.98/265.02
  6. Step 6: Final answer
    x = 236.75

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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.