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Finding the Fourth Proportional to 182.99, 252.45 and 146.21

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Solution

The fourth proportional to 182.99, 252.45 and 146.21 is: 201.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.99 : 252.45 = 146.21 : x
  2. Step 2: Convert to fraction form
    182.99/252.45 = 146.21/x
  3. Step 3: Cross multiply
    182.99x = 252.45 × 146.21
  4. Step 4: Simplify right side
    182.99x = 36,909.45
  5. Step 5: Solve for x
    x = 36,909.45/182.99
  6. Step 6: Final answer
    x = 201.70

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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.