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Finding the Fourth Proportional to 207, 285.62 and 184.95

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Solution

The fourth proportional to 207, 285.62 and 184.95 is: 255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    207 : 285.62 = 184.95 : x
  2. Step 2: Convert to fraction form
    207/285.62 = 184.95/x
  3. Step 3: Cross multiply
    207x = 285.62 × 184.95
  4. Step 4: Simplify right side
    207x = 52,824.49
  5. Step 5: Solve for x
    x = 52,824.49/207
  6. Step 6: Final answer
    x = 255.19

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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.