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Finding the Fourth Proportional to 366.31, 549.53 and 236.25

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Solution

The fourth proportional to 366.31, 549.53 and 236.25 is: 354.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.31 : 549.53 = 236.25 : x
  2. Step 2: Convert to fraction form
    366.31/549.53 = 236.25/x
  3. Step 3: Cross multiply
    366.31x = 549.53 × 236.25
  4. Step 4: Simplify right side
    366.31x = 129,826.46
  5. Step 5: Solve for x
    x = 129,826.46/366.31
  6. Step 6: Final answer
    x = 354.42

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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.