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Finding the Fourth Proportional to 366.22, 551.79 and 302.64

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Solution

The fourth proportional to 366.22, 551.79 and 302.64 is: 456.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.22 : 551.79 = 302.64 : x
  2. Step 2: Convert to fraction form
    366.22/551.79 = 302.64/x
  3. Step 3: Cross multiply
    366.22x = 551.79 × 302.64
  4. Step 4: Simplify right side
    366.22x = 166,993.10
  5. Step 5: Solve for x
    x = 166,993.10/366.22
  6. Step 6: Final answer
    x = 456.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.