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Finding the Fourth Proportional to 585.41, 808.94 and 556.94

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Solution

The fourth proportional to 585.41, 808.94 and 556.94 is: 769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.41 : 808.94 = 556.94 : x
  2. Step 2: Convert to fraction form
    585.41/808.94 = 556.94/x
  3. Step 3: Cross multiply
    585.41x = 808.94 × 556.94
  4. Step 4: Simplify right side
    585.41x = 450,524.21
  5. Step 5: Solve for x
    x = 450,524.21/585.41
  6. Step 6: Final answer
    x = 769.59

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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.