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Finding the Fourth Proportional to 207.04, 311.95 and 184.93

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Solution

The fourth proportional to 207.04, 311.95 and 184.93 is: 278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    207.04 : 311.95 = 184.93 : x
  2. Step 2: Convert to fraction form
    207.04/311.95 = 184.93/x
  3. Step 3: Cross multiply
    207.04x = 311.95 × 184.93
  4. Step 4: Simplify right side
    207.04x = 57,686.43
  5. Step 5: Solve for x
    x = 57,686.43/207.04
  6. Step 6: Final answer
    x = 278.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.