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Finding the Fourth Proportional to 175.53, 264.63 and 165.09

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Solution

The fourth proportional to 175.53, 264.63 and 165.09 is: 248.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.53 : 264.63 = 165.09 : x
  2. Step 2: Convert to fraction form
    175.53/264.63 = 165.09/x
  3. Step 3: Cross multiply
    175.53x = 264.63 × 165.09
  4. Step 4: Simplify right side
    175.53x = 43,687.77
  5. Step 5: Solve for x
    x = 43,687.77/175.53
  6. Step 6: Final answer
    x = 248.89

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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.