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Finding the Fourth Proportional to 585.56, 808.71 and 549.38

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Solution

The fourth proportional to 585.56, 808.71 and 549.38 is: 758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.56 : 808.71 = 549.38 : x
  2. Step 2: Convert to fraction form
    585.56/808.71 = 549.38/x
  3. Step 3: Cross multiply
    585.56x = 808.71 × 549.38
  4. Step 4: Simplify right side
    585.56x = 444,289.10
  5. Step 5: Solve for x
    x = 444,289.10/585.56
  6. Step 6: Final answer
    x = 758.74

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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.