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Finding the Fourth Proportional to 376.23, 561.48 and 366.51

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Solution

The fourth proportional to 376.23, 561.48 and 366.51 is: 546.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.23 : 561.48 = 366.51 : x
  2. Step 2: Convert to fraction form
    376.23/561.48 = 366.51/x
  3. Step 3: Cross multiply
    376.23x = 561.48 × 366.51
  4. Step 4: Simplify right side
    376.23x = 205,788.03
  5. Step 5: Solve for x
    x = 205,788.03/376.23
  6. Step 6: Final answer
    x = 546.97

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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.