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Finding the Fourth Proportional to 576.09, 795.15 and 549.36

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Solution

The fourth proportional to 576.09, 795.15 and 549.36 is: 758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.09 : 795.15 = 549.36 : x
  2. Step 2: Convert to fraction form
    576.09/795.15 = 549.36/x
  3. Step 3: Cross multiply
    576.09x = 795.15 × 549.36
  4. Step 4: Simplify right side
    576.09x = 436,823.60
  5. Step 5: Solve for x
    x = 436,823.60/576.09
  6. Step 6: Final answer
    x = 758.26

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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.