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Finding the Fourth Proportional to 282.95, 424.12 and 185.14

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Solution

The fourth proportional to 282.95, 424.12 and 185.14 is: 277.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.95 : 424.12 = 185.14 : x
  2. Step 2: Convert to fraction form
    282.95/424.12 = 185.14/x
  3. Step 3: Cross multiply
    282.95x = 424.12 × 185.14
  4. Step 4: Simplify right side
    282.95x = 78,521.58
  5. Step 5: Solve for x
    x = 78,521.58/282.95
  6. Step 6: Final answer
    x = 277.51

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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.