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Finding the Fourth Proportional to 417.33, 575.96 and 270.38

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Solution

The fourth proportional to 417.33, 575.96 and 270.38 is: 373.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    417.33 : 575.96 = 270.38 : x
  2. Step 2: Convert to fraction form
    417.33/575.96 = 270.38/x
  3. Step 3: Cross multiply
    417.33x = 575.96 × 270.38
  4. Step 4: Simplify right side
    417.33x = 155,728.15
  5. Step 5: Solve for x
    x = 155,728.15/417.33
  6. Step 6: Final answer
    x = 373.15

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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.