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Finding the Fourth Proportional to 942.52, 1,300.52 and 588.33

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Solution

The fourth proportional to 942.52, 1,300.52 and 588.33 is: 811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    942.52 : 1,300.52 = 588.33 : x
  2. Step 2: Convert to fraction form
    942.52/1,300.52 = 588.33/x
  3. Step 3: Cross multiply
    942.52x = 1,300.52 × 588.33
  4. Step 4: Simplify right side
    942.52x = 765,134.93
  5. Step 5: Solve for x
    x = 765,134.93/942.52
  6. Step 6: Final answer
    x = 811.80

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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.