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Finding the Fourth Proportional to 182.61, 272.51 and 163.15

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Solution

The fourth proportional to 182.61, 272.51 and 163.15 is: 243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.61 : 272.51 = 163.15 : x
  2. Step 2: Convert to fraction form
    182.61/272.51 = 163.15/x
  3. Step 3: Cross multiply
    182.61x = 272.51 × 163.15
  4. Step 4: Simplify right side
    182.61x = 44,457.83
  5. Step 5: Solve for x
    x = 44,457.83/182.61
  6. Step 6: Final answer
    x = 243.46

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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.