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Finding the Fourth Proportional to 376.94, 557.72 and 375.86

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Solution

The fourth proportional to 376.94, 557.72 and 375.86 is: 556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.94 : 557.72 = 375.86 : x
  2. Step 2: Convert to fraction form
    376.94/557.72 = 375.86/x
  3. Step 3: Cross multiply
    376.94x = 557.72 × 375.86
  4. Step 4: Simplify right side
    376.94x = 209,624.64
  5. Step 5: Solve for x
    x = 209,624.64/376.94
  6. Step 6: Final answer
    x = 556.12

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.