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Finding the Fourth Proportional to 444.51, 665.79 and 366.59

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Solution

The fourth proportional to 444.51, 665.79 and 366.59 is: 549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.51 : 665.79 = 366.59 : x
  2. Step 2: Convert to fraction form
    444.51/665.79 = 366.59/x
  3. Step 3: Cross multiply
    444.51x = 665.79 × 366.59
  4. Step 4: Simplify right side
    444.51x = 244,071.96
  5. Step 5: Solve for x
    x = 244,071.96/444.51
  6. Step 6: Final answer
    x = 549.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.