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Finding the Fourth Proportional to 1,552.49, 2,327.35 and 577.92

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Solution

The fourth proportional to 1,552.49, 2,327.35 and 577.92 is: 866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.49 : 2,327.35 = 577.92 : x
  2. Step 2: Convert to fraction form
    1,552.49/2,327.35 = 577.92/x
  3. Step 3: Cross multiply
    1,552.49x = 2,327.35 × 577.92
  4. Step 4: Simplify right side
    1,552.49x = 1,345,022.11
  5. Step 5: Solve for x
    x = 1,345,022.11/1,552.49
  6. Step 6: Final answer
    x = 866.36

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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.