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Finding the Fourth Proportional to 635.95, 953.83 and 173.76

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Solution

The fourth proportional to 635.95, 953.83 and 173.76 is: 260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.95 : 953.83 = 173.76 : x
  2. Step 2: Convert to fraction form
    635.95/953.83 = 173.76/x
  3. Step 3: Cross multiply
    635.95x = 953.83 × 173.76
  4. Step 4: Simplify right side
    635.95x = 165,737.50
  5. Step 5: Solve for x
    x = 165,737.50/635.95
  6. Step 6: Final answer
    x = 260.61

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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.