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Finding the Fourth Proportional to 373.30, 514.94 and 225.92

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Solution

The fourth proportional to 373.30, 514.94 and 225.92 is: 311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.30 : 514.94 = 225.92 : x
  2. Step 2: Convert to fraction form
    373.30/514.94 = 225.92/x
  3. Step 3: Cross multiply
    373.30x = 514.94 × 225.92
  4. Step 4: Simplify right side
    373.30x = 116,335.24
  5. Step 5: Solve for x
    x = 116,335.24/373.30
  6. Step 6: Final answer
    x = 311.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.