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Finding the Fourth Proportional to 366.15, 547.07 and 353.39

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Solution

The fourth proportional to 366.15, 547.07 and 353.39 is: 528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.15 : 547.07 = 353.39 : x
  2. Step 2: Convert to fraction form
    366.15/547.07 = 353.39/x
  3. Step 3: Cross multiply
    366.15x = 547.07 × 353.39
  4. Step 4: Simplify right side
    366.15x = 193,326.33
  5. Step 5: Solve for x
    x = 193,326.33/366.15
  6. Step 6: Final answer
    x = 528.00

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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.