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Finding the Fourth Proportional to 366.01, 549.79 and 279.05

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Solution

The fourth proportional to 366.01, 549.79 and 279.05 is: 419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.01 : 549.79 = 279.05 : x
  2. Step 2: Convert to fraction form
    366.01/549.79 = 279.05/x
  3. Step 3: Cross multiply
    366.01x = 549.79 × 279.05
  4. Step 4: Simplify right side
    366.01x = 153,415.45
  5. Step 5: Solve for x
    x = 153,415.45/366.01
  6. Step 6: Final answer
    x = 419.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.