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Finding the Fourth Proportional to 175.97, 265.16 and 146.21

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Solution

The fourth proportional to 175.97, 265.16 and 146.21 is: 220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.97 : 265.16 = 146.21 : x
  2. Step 2: Convert to fraction form
    175.97/265.16 = 146.21/x
  3. Step 3: Cross multiply
    175.97x = 265.16 × 146.21
  4. Step 4: Simplify right side
    175.97x = 38,766.99
  5. Step 5: Solve for x
    x = 38,766.99/175.97
  6. Step 6: Final answer
    x = 220.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.