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Finding the Fourth Proportional to 586.38, 808.89 and 337.65

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Solution

The fourth proportional to 586.38, 808.89 and 337.65 is: 465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.38 : 808.89 = 337.65 : x
  2. Step 2: Convert to fraction form
    586.38/808.89 = 337.65/x
  3. Step 3: Cross multiply
    586.38x = 808.89 × 337.65
  4. Step 4: Simplify right side
    586.38x = 273,121.71
  5. Step 5: Solve for x
    x = 273,121.71/586.38
  6. Step 6: Final answer
    x = 465.78

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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.