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Finding the Fourth Proportional to 356.00, 536.42 and 316.71

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Solution

The fourth proportional to 356.00, 536.42 and 316.71 is: 477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.00 : 536.42 = 316.71 : x
  2. Step 2: Convert to fraction form
    356.00/536.42 = 316.71/x
  3. Step 3: Cross multiply
    356.00x = 536.42 × 316.71
  4. Step 4: Simplify right side
    356.00x = 169,890.37
  5. Step 5: Solve for x
    x = 169,890.37/356.00
  6. Step 6: Final answer
    x = 477.23

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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.