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Finding the Fourth Proportional to 360.08, 496.64 and 262.16

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Solution

The fourth proportional to 360.08, 496.64 and 262.16 is: 361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.08 : 496.64 = 262.16 : x
  2. Step 2: Convert to fraction form
    360.08/496.64 = 262.16/x
  3. Step 3: Cross multiply
    360.08x = 496.64 × 262.16
  4. Step 4: Simplify right side
    360.08x = 130,199.14
  5. Step 5: Solve for x
    x = 130,199.14/360.08
  6. Step 6: Final answer
    x = 361.58

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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.