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Finding the Fourth Proportional to 368.00, 549.15 and 327.09

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Solution

The fourth proportional to 368.00, 549.15 and 327.09 is: 488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.00 : 549.15 = 327.09 : x
  2. Step 2: Convert to fraction form
    368.00/549.15 = 327.09/x
  3. Step 3: Cross multiply
    368.00x = 549.15 × 327.09
  4. Step 4: Simplify right side
    368.00x = 179,619.84
  5. Step 5: Solve for x
    x = 179,619.84/368.00
  6. Step 6: Final answer
    x = 488.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.