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Finding the Fourth Proportional to 1,301.84, 1,796.51 and 712.35

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Solution

The fourth proportional to 1,301.84, 1,796.51 and 712.35 is: 983.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.84 : 1,796.51 = 712.35 : x
  2. Step 2: Convert to fraction form
    1,301.84/1,796.51 = 712.35/x
  3. Step 3: Cross multiply
    1,301.84x = 1,796.51 × 712.35
  4. Step 4: Simplify right side
    1,301.84x = 1,279,740.34
  5. Step 5: Solve for x
    x = 1,279,740.34/1,301.84
  6. Step 6: Final answer
    x = 983.03

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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.