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Finding the Fourth Proportional to 360.36, 497.01 and 286.50

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Solution

The fourth proportional to 360.36, 497.01 and 286.50 is: 395.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.36 : 497.01 = 286.50 : x
  2. Step 2: Convert to fraction form
    360.36/497.01 = 286.50/x
  3. Step 3: Cross multiply
    360.36x = 497.01 × 286.50
  4. Step 4: Simplify right side
    360.36x = 142,393.37
  5. Step 5: Solve for x
    x = 142,393.37/360.36
  6. Step 6: Final answer
    x = 395.14

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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.