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Finding the Fourth Proportional to 403.41, 602.61 and 366.96

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Solution

The fourth proportional to 403.41, 602.61 and 366.96 is: 548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.41 : 602.61 = 366.96 : x
  2. Step 2: Convert to fraction form
    403.41/602.61 = 366.96/x
  3. Step 3: Cross multiply
    403.41x = 602.61 × 366.96
  4. Step 4: Simplify right side
    403.41x = 221,133.77
  5. Step 5: Solve for x
    x = 221,133.77/403.41
  6. Step 6: Final answer
    x = 548.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.