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Finding the Fourth Proportional to 360.66, 497.58 and 295.44

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Solution

The fourth proportional to 360.66, 497.58 and 295.44 is: 407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.66 : 497.58 = 295.44 : x
  2. Step 2: Convert to fraction form
    360.66/497.58 = 295.44/x
  3. Step 3: Cross multiply
    360.66x = 497.58 × 295.44
  4. Step 4: Simplify right side
    360.66x = 147,005.04
  5. Step 5: Solve for x
    x = 147,005.04/360.66
  6. Step 6: Final answer
    x = 407.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.