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Finding the Fourth Proportional to 174.62, 260.52 and 158.90

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Solution

The fourth proportional to 174.62, 260.52 and 158.90 is: 237.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.62 : 260.52 = 158.90 : x
  2. Step 2: Convert to fraction form
    174.62/260.52 = 158.90/x
  3. Step 3: Cross multiply
    174.62x = 260.52 × 158.90
  4. Step 4: Simplify right side
    174.62x = 41,395.83
  5. Step 5: Solve for x
    x = 41,395.83/174.62
  6. Step 6: Final answer
    x = 237.06

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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.