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Finding the Fourth Proportional to 366.56, 549.98 and 236.81

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Solution

The fourth proportional to 366.56, 549.98 and 236.81 is: 355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.56 : 549.98 = 236.81 : x
  2. Step 2: Convert to fraction form
    366.56/549.98 = 236.81/x
  3. Step 3: Cross multiply
    366.56x = 549.98 × 236.81
  4. Step 4: Simplify right side
    366.56x = 130,240.96
  5. Step 5: Solve for x
    x = 130,240.96/366.56
  6. Step 6: Final answer
    x = 355.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.