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Finding the Fourth Proportional to 292.65, 403.86 and 182.18

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Solution

The fourth proportional to 292.65, 403.86 and 182.18 is: 251.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.65 : 403.86 = 182.18 : x
  2. Step 2: Convert to fraction form
    292.65/403.86 = 182.18/x
  3. Step 3: Cross multiply
    292.65x = 403.86 × 182.18
  4. Step 4: Simplify right side
    292.65x = 73,575.21
  5. Step 5: Solve for x
    x = 73,575.21/292.65
  6. Step 6: Final answer
    x = 251.41

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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.