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Finding the Fourth Proportional to 365.16, 500.30 and 360.61

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Solution

The fourth proportional to 365.16, 500.30 and 360.61 is: 494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.16 : 500.30 = 360.61 : x
  2. Step 2: Convert to fraction form
    365.16/500.30 = 360.61/x
  3. Step 3: Cross multiply
    365.16x = 500.30 × 360.61
  4. Step 4: Simplify right side
    365.16x = 180,411.48
  5. Step 5: Solve for x
    x = 180,411.48/365.16
  6. Step 6: Final answer
    x = 494.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.