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Finding the Fourth Proportional to 175.55, 263.18 and 117.60

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Solution

The fourth proportional to 175.55, 263.18 and 117.60 is: 176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.55 : 263.18 = 117.60 : x
  2. Step 2: Convert to fraction form
    175.55/263.18 = 117.60/x
  3. Step 3: Cross multiply
    175.55x = 263.18 × 117.60
  4. Step 4: Simplify right side
    175.55x = 30,949.40
  5. Step 5: Solve for x
    x = 30,949.40/175.55
  6. Step 6: Final answer
    x = 176.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.