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Finding the Fourth Proportional to 376.64, 566.94 and 320.96

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Solution

The fourth proportional to 376.64, 566.94 and 320.96 is: 483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.64 : 566.94 = 320.96 : x
  2. Step 2: Convert to fraction form
    376.64/566.94 = 320.96/x
  3. Step 3: Cross multiply
    376.64x = 566.94 × 320.96
  4. Step 4: Simplify right side
    376.64x = 181,965.06
  5. Step 5: Solve for x
    x = 181,965.06/376.64
  6. Step 6: Final answer
    x = 483.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.