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Finding the Fourth Proportional to 1,342.71, 2,013.24 and 602.19

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Solution

The fourth proportional to 1,342.71, 2,013.24 and 602.19 is: 902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.71 : 2,013.24 = 602.19 : x
  2. Step 2: Convert to fraction form
    1,342.71/2,013.24 = 602.19/x
  3. Step 3: Cross multiply
    1,342.71x = 2,013.24 × 602.19
  4. Step 4: Simplify right side
    1,342.71x = 1,212,353.00
  5. Step 5: Solve for x
    x = 1,212,353.00/1,342.71
  6. Step 6: Final answer
    x = 902.91

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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.