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Finding the Fourth Proportional to 482.88, 663.26 and 473.66

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Solution

The fourth proportional to 482.88, 663.26 and 473.66 is: 650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.88 : 663.26 = 473.66 : x
  2. Step 2: Convert to fraction form
    482.88/663.26 = 473.66/x
  3. Step 3: Cross multiply
    482.88x = 663.26 × 473.66
  4. Step 4: Simplify right side
    482.88x = 314,159.73
  5. Step 5: Solve for x
    x = 314,159.73/482.88
  6. Step 6: Final answer
    x = 650.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.