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Finding the Fourth Proportional to 368.06, 551.54 and 356.96

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Solution

The fourth proportional to 368.06, 551.54 and 356.96 is: 534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.06 : 551.54 = 356.96 : x
  2. Step 2: Convert to fraction form
    368.06/551.54 = 356.96/x
  3. Step 3: Cross multiply
    368.06x = 551.54 × 356.96
  4. Step 4: Simplify right side
    368.06x = 196,873.18
  5. Step 5: Solve for x
    x = 196,873.18/368.06
  6. Step 6: Final answer
    x = 534.90

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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.