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Finding the Fourth Proportional to 357.62, 492.76 and 240.98

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Solution

The fourth proportional to 357.62, 492.76 and 240.98 is: 332.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.62 : 492.76 = 240.98 : x
  2. Step 2: Convert to fraction form
    357.62/492.76 = 240.98/x
  3. Step 3: Cross multiply
    357.62x = 492.76 × 240.98
  4. Step 4: Simplify right side
    357.62x = 118,745.30
  5. Step 5: Solve for x
    x = 118,745.30/357.62
  6. Step 6: Final answer
    x = 332.04

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Why These Related Problems?

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