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Finding the Fourth Proportional to 376.93, 562.67 and 325.90

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Solution

The fourth proportional to 376.93, 562.67 and 325.90 is: 486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.93 : 562.67 = 325.90 : x
  2. Step 2: Convert to fraction form
    376.93/562.67 = 325.90/x
  3. Step 3: Cross multiply
    376.93x = 562.67 × 325.90
  4. Step 4: Simplify right side
    376.93x = 183,372.52
  5. Step 5: Solve for x
    x = 183,372.52/376.93
  6. Step 6: Final answer
    x = 486.49

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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.