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Finding the Fourth Proportional to 306.84, 460.02 and 114.48

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Solution

The fourth proportional to 306.84, 460.02 and 114.48 is: 171.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    306.84 : 460.02 = 114.48 : x
  2. Step 2: Convert to fraction form
    306.84/460.02 = 114.48/x
  3. Step 3: Cross multiply
    306.84x = 460.02 × 114.48
  4. Step 4: Simplify right side
    306.84x = 52,663.09
  5. Step 5: Solve for x
    x = 52,663.09/306.84
  6. Step 6: Final answer
    x = 171.63

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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.