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Finding the Fourth Proportional to 173.91, 258.93 and 171.30

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Solution

The fourth proportional to 173.91, 258.93 and 171.30 is: 255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.91 : 258.93 = 171.30 : x
  2. Step 2: Convert to fraction form
    173.91/258.93 = 171.30/x
  3. Step 3: Cross multiply
    173.91x = 258.93 × 171.30
  4. Step 4: Simplify right side
    173.91x = 44,354.71
  5. Step 5: Solve for x
    x = 44,354.71/173.91
  6. Step 6: Final answer
    x = 255.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.