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Finding the Fourth Proportional to 592.65, 817.16 and 445.23

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Solution

The fourth proportional to 592.65, 817.16 and 445.23 is: 613.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.65 : 817.16 = 445.23 : x
  2. Step 2: Convert to fraction form
    592.65/817.16 = 445.23/x
  3. Step 3: Cross multiply
    592.65x = 817.16 × 445.23
  4. Step 4: Simplify right side
    592.65x = 363,821.92
  5. Step 5: Solve for x
    x = 363,821.92/592.65
  6. Step 6: Final answer
    x = 613.89

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Double scale
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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.