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Finding the Fourth Proportional to 444.51, 612.81 and 365.54

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Solution

The fourth proportional to 444.51, 612.81 and 365.54 is: 503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.51 : 612.81 = 365.54 : x
  2. Step 2: Convert to fraction form
    444.51/612.81 = 365.54/x
  3. Step 3: Cross multiply
    444.51x = 612.81 × 365.54
  4. Step 4: Simplify right side
    444.51x = 224,003.50
  5. Step 5: Solve for x
    x = 224,003.50/444.51
  6. Step 6: Final answer
    x = 503.93

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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.