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Finding the Fourth Proportional to 175.55, 263.62 and 156.07

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Solution

The fourth proportional to 175.55, 263.62 and 156.07 is: 234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.55 : 263.62 = 156.07 : x
  2. Step 2: Convert to fraction form
    175.55/263.62 = 156.07/x
  3. Step 3: Cross multiply
    175.55x = 263.62 × 156.07
  4. Step 4: Simplify right side
    175.55x = 41,143.17
  5. Step 5: Solve for x
    x = 41,143.17/175.55
  6. Step 6: Final answer
    x = 234.37

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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.