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Finding the Fourth Proportional to 662.01, 992.00 and 353.91

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Solution

The fourth proportional to 662.01, 992.00 and 353.91 is: 530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.01 : 992.00 = 353.91 : x
  2. Step 2: Convert to fraction form
    662.01/992.00 = 353.91/x
  3. Step 3: Cross multiply
    662.01x = 992.00 × 353.91
  4. Step 4: Simplify right side
    662.01x = 351,076.95
  5. Step 5: Solve for x
    x = 351,076.95/662.01
  6. Step 6: Final answer
    x = 530.32

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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.