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Finding the Fourth Proportional to 183.66, 275.50 and 46.71

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Solution

The fourth proportional to 183.66, 275.50 and 46.71 is: 70.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.66 : 275.50 = 46.71 : x
  2. Step 2: Convert to fraction form
    183.66/275.50 = 46.71/x
  3. Step 3: Cross multiply
    183.66x = 275.50 × 46.71
  4. Step 4: Simplify right side
    183.66x = 12,868.79
  5. Step 5: Solve for x
    x = 12,868.79/183.66
  6. Step 6: Final answer
    x = 70.07

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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.