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Finding the Fourth Proportional to 1,588.83, 2,383.37 and 493.05

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Solution

The fourth proportional to 1,588.83, 2,383.37 and 493.05 is: 739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.83 : 2,383.37 = 493.05 : x
  2. Step 2: Convert to fraction form
    1,588.83/2,383.37 = 493.05/x
  3. Step 3: Cross multiply
    1,588.83x = 2,383.37 × 493.05
  4. Step 4: Simplify right side
    1,588.83x = 1,175,118.11
  5. Step 5: Solve for x
    x = 1,175,118.11/1,588.83
  6. Step 6: Final answer
    x = 739.61

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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.