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Finding the Fourth Proportional to 173.64, 260 and 141

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Solution

The fourth proportional to 173.64, 260 and 141 is: 211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.64 : 260 = 141 : x
  2. Step 2: Convert to fraction form
    173.64/260 = 141/x
  3. Step 3: Cross multiply
    173.64x = 260 × 141
  4. Step 4: Simplify right side
    173.64x = 36,660
  5. Step 5: Solve for x
    x = 36,660/173.64
  6. Step 6: Final answer
    x = 211.13

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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.