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Finding the Fourth Proportional to 1,463.82, 2,195.66 and 368.18

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Solution

The fourth proportional to 1,463.82, 2,195.66 and 368.18 is: 552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.82 : 2,195.66 = 368.18 : x
  2. Step 2: Convert to fraction form
    1,463.82/2,195.66 = 368.18/x
  3. Step 3: Cross multiply
    1,463.82x = 2,195.66 × 368.18
  4. Step 4: Simplify right side
    1,463.82x = 808,398.10
  5. Step 5: Solve for x
    x = 808,398.10/1,463.82
  6. Step 6: Final answer
    x = 552.25

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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.