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Finding the Fourth Proportional to 660.04, 910.83 and 365.32

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Solution

The fourth proportional to 660.04, 910.83 and 365.32 is: 504.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    660.04 : 910.83 = 365.32 : x
  2. Step 2: Convert to fraction form
    660.04/910.83 = 365.32/x
  3. Step 3: Cross multiply
    660.04x = 910.83 × 365.32
  4. Step 4: Simplify right side
    660.04x = 332,744.42
  5. Step 5: Solve for x
    x = 332,744.42/660.04
  6. Step 6: Final answer
    x = 504.13

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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.