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Finding the Fourth Proportional to 366.84, 506.88 and 320.04

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Solution

The fourth proportional to 366.84, 506.88 and 320.04 is: 442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.84 : 506.88 = 320.04 : x
  2. Step 2: Convert to fraction form
    366.84/506.88 = 320.04/x
  3. Step 3: Cross multiply
    366.84x = 506.88 × 320.04
  4. Step 4: Simplify right side
    366.84x = 162,221.88
  5. Step 5: Solve for x
    x = 162,221.88/366.84
  6. Step 6: Final answer
    x = 442.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.