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Finding the Fourth Proportional to 368.44, 511.86 and 365.04

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Solution

The fourth proportional to 368.44, 511.86 and 365.04 is: 507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.44 : 511.86 = 365.04 : x
  2. Step 2: Convert to fraction form
    368.44/511.86 = 365.04/x
  3. Step 3: Cross multiply
    368.44x = 511.86 × 365.04
  4. Step 4: Simplify right side
    368.44x = 186,849.37
  5. Step 5: Solve for x
    x = 186,849.37/368.44
  6. Step 6: Final answer
    x = 507.14

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.