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Finding the Fourth Proportional to 440.65, 608.30 and 341.11

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Solution

The fourth proportional to 440.65, 608.30 and 341.11 is: 470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.65 : 608.30 = 341.11 : x
  2. Step 2: Convert to fraction form
    440.65/608.30 = 341.11/x
  3. Step 3: Cross multiply
    440.65x = 608.30 × 341.11
  4. Step 4: Simplify right side
    440.65x = 207,497.21
  5. Step 5: Solve for x
    x = 207,497.21/440.65
  6. Step 6: Final answer
    x = 470.89

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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.