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Finding the Fourth Proportional to 612.23, 844.83 and 360.25

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Solution

The fourth proportional to 612.23, 844.83 and 360.25 is: 497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    612.23 : 844.83 = 360.25 : x
  2. Step 2: Convert to fraction form
    612.23/844.83 = 360.25/x
  3. Step 3: Cross multiply
    612.23x = 844.83 × 360.25
  4. Step 4: Simplify right side
    612.23x = 304,347.90
  5. Step 5: Solve for x
    x = 304,347.90/612.23
  6. Step 6: Final answer
    x = 497.12

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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.