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Finding the Fourth Proportional to 366.46, 547.11 and 279.32

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Solution

The fourth proportional to 366.46, 547.11 and 279.32 is: 417.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.46 : 547.11 = 279.32 : x
  2. Step 2: Convert to fraction form
    366.46/547.11 = 279.32/x
  3. Step 3: Cross multiply
    366.46x = 547.11 × 279.32
  4. Step 4: Simplify right side
    366.46x = 152,817.37
  5. Step 5: Solve for x
    x = 152,817.37/366.46
  6. Step 6: Final answer
    x = 417.01

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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.