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Finding the Fourth Proportional to 366.16, 548.88 and 236.30

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Solution

The fourth proportional to 366.16, 548.88 and 236.30 is: 354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.16 : 548.88 = 236.30 : x
  2. Step 2: Convert to fraction form
    366.16/548.88 = 236.30/x
  3. Step 3: Cross multiply
    366.16x = 548.88 × 236.30
  4. Step 4: Simplify right side
    366.16x = 129,700.34
  5. Step 5: Solve for x
    x = 129,700.34/366.16
  6. Step 6: Final answer
    x = 354.22

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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.