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Finding the Fourth Proportional to 482.01, 665.17 and 260.96

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Solution

The fourth proportional to 482.01, 665.17 and 260.96 is: 360.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.01 : 665.17 = 260.96 : x
  2. Step 2: Convert to fraction form
    482.01/665.17 = 260.96/x
  3. Step 3: Cross multiply
    482.01x = 665.17 × 260.96
  4. Step 4: Simplify right side
    482.01x = 173,581.10
  5. Step 5: Solve for x
    x = 173,581.10/482.01
  6. Step 6: Final answer
    x = 360.12

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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.