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Finding the Fourth Proportional to 671.09, 1,001.41 and 602.13

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Solution

The fourth proportional to 671.09, 1,001.41 and 602.13 is: 898.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.09 : 1,001.41 = 602.13 : x
  2. Step 2: Convert to fraction form
    671.09/1,001.41 = 602.13/x
  3. Step 3: Cross multiply
    671.09x = 1,001.41 × 602.13
  4. Step 4: Simplify right side
    671.09x = 602,984.64
  5. Step 5: Solve for x
    x = 602,984.64/671.09
  6. Step 6: Final answer
    x = 898.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.