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Finding the Fourth Proportional to 586.59, 808.97 and 376.80

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Solution

The fourth proportional to 586.59, 808.97 and 376.80 is: 519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.59 : 808.97 = 376.80 : x
  2. Step 2: Convert to fraction form
    586.59/808.97 = 376.80/x
  3. Step 3: Cross multiply
    586.59x = 808.97 × 376.80
  4. Step 4: Simplify right side
    586.59x = 304,818.01
  5. Step 5: Solve for x
    x = 304,818.01/586.59
  6. Step 6: Final answer
    x = 519.64

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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.