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Finding the Fourth Proportional to 482.52, 666.45 and 335.91

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Solution

The fourth proportional to 482.52, 666.45 and 335.91 is: 463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.52 : 666.45 = 335.91 : x
  2. Step 2: Convert to fraction form
    482.52/666.45 = 335.91/x
  3. Step 3: Cross multiply
    482.52x = 666.45 × 335.91
  4. Step 4: Simplify right side
    482.52x = 223,867.22
  5. Step 5: Solve for x
    x = 223,867.22/482.52
  6. Step 6: Final answer
    x = 463.95

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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.