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Finding the Fourth Proportional to 1,365.52, 2,049 and 500.08

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Solution

The fourth proportional to 1,365.52, 2,049 and 500.08 is: 750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365.52 : 2,049 = 500.08 : x
  2. Step 2: Convert to fraction form
    1,365.52/2,049 = 500.08/x
  3. Step 3: Cross multiply
    1,365.52x = 2,049 × 500.08
  4. Step 4: Simplify right side
    1,365.52x = 1,024,663.92
  5. Step 5: Solve for x
    x = 1,024,663.92/1,365.52
  6. Step 6: Final answer
    x = 750.38

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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.