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Finding the Fourth Proportional to 309.55, 463.57 and 179.14

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Solution

The fourth proportional to 309.55, 463.57 and 179.14 is: 268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    309.55 : 463.57 = 179.14 : x
  2. Step 2: Convert to fraction form
    309.55/463.57 = 179.14/x
  3. Step 3: Cross multiply
    309.55x = 463.57 × 179.14
  4. Step 4: Simplify right side
    309.55x = 83,043.93
  5. Step 5: Solve for x
    x = 83,043.93/309.55
  6. Step 6: Final answer
    x = 268.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.