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Finding the Fourth Proportional to 334.17, 500.90 and 189.59

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Solution

The fourth proportional to 334.17, 500.90 and 189.59 is: 284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.17 : 500.90 = 189.59 : x
  2. Step 2: Convert to fraction form
    334.17/500.90 = 189.59/x
  3. Step 3: Cross multiply
    334.17x = 500.90 × 189.59
  4. Step 4: Simplify right side
    334.17x = 94,962.18
  5. Step 5: Solve for x
    x = 94,962.18/334.17
  6. Step 6: Final answer
    x = 284.17

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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.