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Finding the Fourth Proportional to 1,135.64, 1,703.87 and 588.18

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Solution

The fourth proportional to 1,135.64, 1,703.87 and 588.18 is: 882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135.64 : 1,703.87 = 588.18 : x
  2. Step 2: Convert to fraction form
    1,135.64/1,703.87 = 588.18/x
  3. Step 3: Cross multiply
    1,135.64x = 1,703.87 × 588.18
  4. Step 4: Simplify right side
    1,135.64x = 1,002,179.32
  5. Step 5: Solve for x
    x = 1,002,179.32/1,135.64
  6. Step 6: Final answer
    x = 882.48

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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.