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Finding the Fourth Proportional to 375.98, 564.10 and 330.89

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Solution

The fourth proportional to 375.98, 564.10 and 330.89 is: 496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.98 : 564.10 = 330.89 : x
  2. Step 2: Convert to fraction form
    375.98/564.10 = 330.89/x
  3. Step 3: Cross multiply
    375.98x = 564.10 × 330.89
  4. Step 4: Simplify right side
    375.98x = 186,651.40
  5. Step 5: Solve for x
    x = 186,651.40/375.98
  6. Step 6: Final answer
    x = 496.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.