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Finding the Fourth Proportional to 365.55, 504.54 and 254.98

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Solution

The fourth proportional to 365.55, 504.54 and 254.98 is: 351.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.55 : 504.54 = 254.98 : x
  2. Step 2: Convert to fraction form
    365.55/504.54 = 254.98/x
  3. Step 3: Cross multiply
    365.55x = 504.54 × 254.98
  4. Step 4: Simplify right side
    365.55x = 128,647.61
  5. Step 5: Solve for x
    x = 128,647.61/365.55
  6. Step 6: Final answer
    x = 351.93

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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.