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Finding the Fourth Proportional to 181.71, 271.15 and 180.36

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Solution

The fourth proportional to 181.71, 271.15 and 180.36 is: 269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.71 : 271.15 = 180.36 : x
  2. Step 2: Convert to fraction form
    181.71/271.15 = 180.36/x
  3. Step 3: Cross multiply
    181.71x = 271.15 × 180.36
  4. Step 4: Simplify right side
    181.71x = 48,904.16
  5. Step 5: Solve for x
    x = 48,904.16/181.71
  6. Step 6: Final answer
    x = 269.13

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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.