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Finding the Fourth Proportional to 484.65, 669.09 and 373.89

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Solution

The fourth proportional to 484.65, 669.09 and 373.89 is: 516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.65 : 669.09 = 373.89 : x
  2. Step 2: Convert to fraction form
    484.65/669.09 = 373.89/x
  3. Step 3: Cross multiply
    484.65x = 669.09 × 373.89
  4. Step 4: Simplify right side
    484.65x = 250,166.06
  5. Step 5: Solve for x
    x = 250,166.06/484.65
  6. Step 6: Final answer
    x = 516.18

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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.