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Finding the Fourth Proportional to 376.88, 560.73 and 375.60

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Solution

The fourth proportional to 376.88, 560.73 and 375.60 is: 558.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.88 : 560.73 = 375.60 : x
  2. Step 2: Convert to fraction form
    376.88/560.73 = 375.60/x
  3. Step 3: Cross multiply
    376.88x = 560.73 × 375.60
  4. Step 4: Simplify right side
    376.88x = 210,610.19
  5. Step 5: Solve for x
    x = 210,610.19/376.88
  6. Step 6: Final answer
    x = 558.83

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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.