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Finding the Fourth Proportional to 356.34, 491.88 and 246.18

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Solution

The fourth proportional to 356.34, 491.88 and 246.18 is: 339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.34 : 491.88 = 246.18 : x
  2. Step 2: Convert to fraction form
    356.34/491.88 = 246.18/x
  3. Step 3: Cross multiply
    356.34x = 491.88 × 246.18
  4. Step 4: Simplify right side
    356.34x = 121,091.02
  5. Step 5: Solve for x
    x = 121,091.02/356.34
  6. Step 6: Final answer
    x = 339.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.