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Finding the Fourth Proportional to 336.97, 505.33 and 117.53

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Solution

The fourth proportional to 336.97, 505.33 and 117.53 is: 176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.97 : 505.33 = 117.53 : x
  2. Step 2: Convert to fraction form
    336.97/505.33 = 117.53/x
  3. Step 3: Cross multiply
    336.97x = 505.33 × 117.53
  4. Step 4: Simplify right side
    336.97x = 59,391.06
  5. Step 5: Solve for x
    x = 59,391.06/336.97
  6. Step 6: Final answer
    x = 176.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.