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Finding the Fourth Proportional to 356.76, 537.02 and 325.62

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Solution

The fourth proportional to 356.76, 537.02 and 325.62 is: 490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.76 : 537.02 = 325.62 : x
  2. Step 2: Convert to fraction form
    356.76/537.02 = 325.62/x
  3. Step 3: Cross multiply
    356.76x = 537.02 × 325.62
  4. Step 4: Simplify right side
    356.76x = 174,864.45
  5. Step 5: Solve for x
    x = 174,864.45/356.76
  6. Step 6: Final answer
    x = 490.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.