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Finding the Fourth Proportional to 1,090.31, 1,504.64 and 592.96

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Solution

The fourth proportional to 1,090.31, 1,504.64 and 592.96 is: 818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090.31 : 1,504.64 = 592.96 : x
  2. Step 2: Convert to fraction form
    1,090.31/1,504.64 = 592.96/x
  3. Step 3: Cross multiply
    1,090.31x = 1,504.64 × 592.96
  4. Step 4: Simplify right side
    1,090.31x = 892,189.06
  5. Step 5: Solve for x
    x = 892,189.06/1,090.31
  6. Step 6: Final answer
    x = 818.29

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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.