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Finding the Fourth Proportional to 368.02, 552.22 and 300.32

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Solution

The fourth proportional to 368.02, 552.22 and 300.32 is: 450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.02 : 552.22 = 300.32 : x
  2. Step 2: Convert to fraction form
    368.02/552.22 = 300.32/x
  3. Step 3: Cross multiply
    368.02x = 552.22 × 300.32
  4. Step 4: Simplify right side
    368.02x = 165,842.71
  5. Step 5: Solve for x
    x = 165,842.71/368.02
  6. Step 6: Final answer
    x = 450.64

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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.