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Finding the Fourth Proportional to 463.81, 696.08 and 171.60

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Solution

The fourth proportional to 463.81, 696.08 and 171.60 is: 257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.81 : 696.08 = 171.60 : x
  2. Step 2: Convert to fraction form
    463.81/696.08 = 171.60/x
  3. Step 3: Cross multiply
    463.81x = 696.08 × 171.60
  4. Step 4: Simplify right side
    463.81x = 119,447.33
  5. Step 5: Solve for x
    x = 119,447.33/463.81
  6. Step 6: Final answer
    x = 257.54

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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.