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Finding the Fourth Proportional to 511.08, 765.06 and 365.01

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Solution

The fourth proportional to 511.08, 765.06 and 365.01 is: 546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.08 : 765.06 = 365.01 : x
  2. Step 2: Convert to fraction form
    511.08/765.06 = 365.01/x
  3. Step 3: Cross multiply
    511.08x = 765.06 × 365.01
  4. Step 4: Simplify right side
    511.08x = 279,254.55
  5. Step 5: Solve for x
    x = 279,254.55/511.08
  6. Step 6: Final answer
    x = 546.40

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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.