Home / 1,342.25-2,013.37-368.35

Finding the Fourth Proportional to 1,342.25, 2,013.37 and 368.35

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Solution

The fourth proportional to 1,342.25, 2,013.37 and 368.35 is: 552.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.25 : 2,013.37 = 368.35 : x
  2. Step 2: Convert to fraction form
    1,342.25/2,013.37 = 368.35/x
  3. Step 3: Cross multiply
    1,342.25x = 2,013.37 × 368.35
  4. Step 4: Simplify right side
    1,342.25x = 741,624.84
  5. Step 5: Solve for x
    x = 741,624.84/1,342.25
  6. Step 6: Final answer
    x = 552.52

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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.