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Finding the Fourth Proportional to 240.62, 360.59 and 172.17

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Solution

The fourth proportional to 240.62, 360.59 and 172.17 is: 258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.62 : 360.59 = 172.17 : x
  2. Step 2: Convert to fraction form
    240.62/360.59 = 172.17/x
  3. Step 3: Cross multiply
    240.62x = 360.59 × 172.17
  4. Step 4: Simplify right side
    240.62x = 62,081.92
  5. Step 5: Solve for x
    x = 62,081.92/240.62
  6. Step 6: Final answer
    x = 258.01

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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.