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Finding the Fourth Proportional to 535.73, 803.57 and 170.51

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Solution

The fourth proportional to 535.73, 803.57 and 170.51 is: 255.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.73 : 803.57 = 170.51 : x
  2. Step 2: Convert to fraction form
    535.73/803.57 = 170.51/x
  3. Step 3: Cross multiply
    535.73x = 803.57 × 170.51
  4. Step 4: Simplify right side
    535.73x = 137,013.13
  5. Step 5: Solve for x
    x = 137,013.13/535.73
  6. Step 6: Final answer
    x = 255.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.