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Finding the Fourth Proportional to 357.64, 535.55 and 249.50

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Solution

The fourth proportional to 357.64, 535.55 and 249.50 is: 373.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.64 : 535.55 = 249.50 : x
  2. Step 2: Convert to fraction form
    357.64/535.55 = 249.50/x
  3. Step 3: Cross multiply
    357.64x = 535.55 × 249.50
  4. Step 4: Simplify right side
    357.64x = 133,619.82
  5. Step 5: Solve for x
    x = 133,619.82/357.64
  6. Step 6: Final answer
    x = 373.62

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Why These Related Problems?

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