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Finding the Fourth Proportional to 366.55, 546.05 and 349.94

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Solution

The fourth proportional to 366.55, 546.05 and 349.94 is: 521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.55 : 546.05 = 349.94 : x
  2. Step 2: Convert to fraction form
    366.55/546.05 = 349.94/x
  3. Step 3: Cross multiply
    366.55x = 546.05 × 349.94
  4. Step 4: Simplify right side
    366.55x = 191,086.98
  5. Step 5: Solve for x
    x = 191,086.98/366.55
  6. Step 6: Final answer
    x = 521.32

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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.