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Finding the Fourth Proportional to 295.03, 442.95 and 187.30

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Solution

The fourth proportional to 295.03, 442.95 and 187.30 is: 281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.03 : 442.95 = 187.30 : x
  2. Step 2: Convert to fraction form
    295.03/442.95 = 187.30/x
  3. Step 3: Cross multiply
    295.03x = 442.95 × 187.30
  4. Step 4: Simplify right side
    295.03x = 82,964.54
  5. Step 5: Solve for x
    x = 82,964.54/295.03
  6. Step 6: Final answer
    x = 281.21

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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.