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Finding the Fourth Proportional to 366.66, 547.16 and 308.34

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Solution

The fourth proportional to 366.66, 547.16 and 308.34 is: 460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.66 : 547.16 = 308.34 : x
  2. Step 2: Convert to fraction form
    366.66/547.16 = 308.34/x
  3. Step 3: Cross multiply
    366.66x = 547.16 × 308.34
  4. Step 4: Simplify right side
    366.66x = 168,709.77
  5. Step 5: Solve for x
    x = 168,709.77/366.66
  6. Step 6: Final answer
    x = 460.13

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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.