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Finding the Fourth Proportional to 376.65, 560.52 and 372.60

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Solution

The fourth proportional to 376.65, 560.52 and 372.60 is: 554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.65 : 560.52 = 372.60 : x
  2. Step 2: Convert to fraction form
    376.65/560.52 = 372.60/x
  3. Step 3: Cross multiply
    376.65x = 560.52 × 372.60
  4. Step 4: Simplify right side
    376.65x = 208,849.75
  5. Step 5: Solve for x
    x = 208,849.75/376.65
  6. Step 6: Final answer
    x = 554.49

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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.