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Finding the Fourth Proportional to 237.48, 354.09 and 225.72

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Solution

The fourth proportional to 237.48, 354.09 and 225.72 is: 336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.48 : 354.09 = 225.72 : x
  2. Step 2: Convert to fraction form
    237.48/354.09 = 225.72/x
  3. Step 3: Cross multiply
    237.48x = 354.09 × 225.72
  4. Step 4: Simplify right side
    237.48x = 79,925.19
  5. Step 5: Solve for x
    x = 79,925.19/237.48
  6. Step 6: Final answer
    x = 336.56

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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.