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Finding the Fourth Proportional to 182.99, 272.95 and 154.28

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Solution

The fourth proportional to 182.99, 272.95 and 154.28 is: 230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.99 : 272.95 = 154.28 : x
  2. Step 2: Convert to fraction form
    182.99/272.95 = 154.28/x
  3. Step 3: Cross multiply
    182.99x = 272.95 × 154.28
  4. Step 4: Simplify right side
    182.99x = 42,110.73
  5. Step 5: Solve for x
    x = 42,110.73/182.99
  6. Step 6: Final answer
    x = 230.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.