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Finding the Fourth Proportional to 360.38, 497.55 and 236.38

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Solution

The fourth proportional to 360.38, 497.55 and 236.38 is: 326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.38 : 497.55 = 236.38 : x
  2. Step 2: Convert to fraction form
    360.38/497.55 = 236.38/x
  3. Step 3: Cross multiply
    360.38x = 497.55 × 236.38
  4. Step 4: Simplify right side
    360.38x = 117,610.87
  5. Step 5: Solve for x
    x = 117,610.87/360.38
  6. Step 6: Final answer
    x = 326.35

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1.5x scale

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.