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Finding the Fourth Proportional to 1,092.49, 1,507.65 and 595.15

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Solution

The fourth proportional to 1,092.49, 1,507.65 and 595.15 is: 821.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.49 : 1,507.65 = 595.15 : x
  2. Step 2: Convert to fraction form
    1,092.49/1,507.65 = 595.15/x
  3. Step 3: Cross multiply
    1,092.49x = 1,507.65 × 595.15
  4. Step 4: Simplify right side
    1,092.49x = 897,277.90
  5. Step 5: Solve for x
    x = 897,277.90/1,092.49
  6. Step 6: Final answer
    x = 821.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.