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Finding the Fourth Proportional to 184.17, 254.12 and 145.47

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Solution

The fourth proportional to 184.17, 254.12 and 145.47 is: 200.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.17 : 254.12 = 145.47 : x
  2. Step 2: Convert to fraction form
    184.17/254.12 = 145.47/x
  3. Step 3: Cross multiply
    184.17x = 254.12 × 145.47
  4. Step 4: Simplify right side
    184.17x = 36,966.11
  5. Step 5: Solve for x
    x = 36,966.11/184.17
  6. Step 6: Final answer
    x = 200.72

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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.