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Finding the Fourth Proportional to 352.32, 486.36 and 265.02

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Solution

The fourth proportional to 352.32, 486.36 and 265.02 is: 365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.32 : 486.36 = 265.02 : x
  2. Step 2: Convert to fraction form
    352.32/486.36 = 265.02/x
  3. Step 3: Cross multiply
    352.32x = 486.36 × 265.02
  4. Step 4: Simplify right side
    352.32x = 128,895.13
  5. Step 5: Solve for x
    x = 128,895.13/352.32
  6. Step 6: Final answer
    x = 365.85

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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.