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Finding the Fourth Proportional to 476.82, 658.13 and 302.06

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Solution

The fourth proportional to 476.82, 658.13 and 302.06 is: 416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.82 : 658.13 = 302.06 : x
  2. Step 2: Convert to fraction form
    476.82/658.13 = 302.06/x
  3. Step 3: Cross multiply
    476.82x = 658.13 × 302.06
  4. Step 4: Simplify right side
    476.82x = 198,794.88
  5. Step 5: Solve for x
    x = 198,794.88/476.82
  6. Step 6: Final answer
    x = 416.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.