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Finding the Fourth Proportional to 235.96, 325.48 and 177.64

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Solution

The fourth proportional to 235.96, 325.48 and 177.64 is: 245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.96 : 325.48 = 177.64 : x
  2. Step 2: Convert to fraction form
    235.96/325.48 = 177.64/x
  3. Step 3: Cross multiply
    235.96x = 325.48 × 177.64
  4. Step 4: Simplify right side
    235.96x = 57,818.27
  5. Step 5: Solve for x
    x = 57,818.27/235.96
  6. Step 6: Final answer
    x = 245.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.