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Finding the Fourth Proportional to 376.14, 561.18 and 337.26

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Solution

The fourth proportional to 376.14, 561.18 and 337.26 is: 503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.14 : 561.18 = 337.26 : x
  2. Step 2: Convert to fraction form
    376.14/561.18 = 337.26/x
  3. Step 3: Cross multiply
    376.14x = 561.18 × 337.26
  4. Step 4: Simplify right side
    376.14x = 189,262.73
  5. Step 5: Solve for x
    x = 189,262.73/376.14
  6. Step 6: Final answer
    x = 503.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.