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Finding the Fourth Proportional to 1,032.82, 1,549.30 and 302.42

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Solution

The fourth proportional to 1,032.82, 1,549.30 and 302.42 is: 453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.82 : 1,549.30 = 302.42 : x
  2. Step 2: Convert to fraction form
    1,032.82/1,549.30 = 302.42/x
  3. Step 3: Cross multiply
    1,032.82x = 1,549.30 × 302.42
  4. Step 4: Simplify right side
    1,032.82x = 468,539.31
  5. Step 5: Solve for x
    x = 468,539.31/1,032.82
  6. Step 6: Final answer
    x = 453.65

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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.