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Finding the Fourth Proportional to 237.30, 353.54 and 225.66

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Solution

The fourth proportional to 237.30, 353.54 and 225.66 is: 336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.30 : 353.54 = 225.66 : x
  2. Step 2: Convert to fraction form
    237.30/353.54 = 225.66/x
  3. Step 3: Cross multiply
    237.30x = 353.54 × 225.66
  4. Step 4: Simplify right side
    237.30x = 79,779.84
  5. Step 5: Solve for x
    x = 79,779.84/237.30
  6. Step 6: Final answer
    x = 336.20

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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.