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Finding the Fourth Proportional to 183.54, 275.31 and 46.58

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Solution

The fourth proportional to 183.54, 275.31 and 46.58 is: 69.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.54 : 275.31 = 46.58 : x
  2. Step 2: Convert to fraction form
    183.54/275.31 = 46.58/x
  3. Step 3: Cross multiply
    183.54x = 275.31 × 46.58
  4. Step 4: Simplify right side
    183.54x = 12,823.43
  5. Step 5: Solve for x
    x = 12,823.43/183.54
  6. Step 6: Final answer
    x = 69.87

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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.