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Finding the Fourth Proportional to 382.65, 570.65 and 373.33

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Solution

The fourth proportional to 382.65, 570.65 and 373.33 is: 556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.65 : 570.65 = 373.33 : x
  2. Step 2: Convert to fraction form
    382.65/570.65 = 373.33/x
  3. Step 3: Cross multiply
    382.65x = 570.65 × 373.33
  4. Step 4: Simplify right side
    382.65x = 213,042.41
  5. Step 5: Solve for x
    x = 213,042.41/382.65
  6. Step 6: Final answer
    x = 556.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.