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Finding the Fourth Proportional to 365.30, 503.76 and 247.36

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Solution

The fourth proportional to 365.30, 503.76 and 247.36 is: 341.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.30 : 503.76 = 247.36 : x
  2. Step 2: Convert to fraction form
    365.30/503.76 = 247.36/x
  3. Step 3: Cross multiply
    365.30x = 503.76 × 247.36
  4. Step 4: Simplify right side
    365.30x = 124,610.07
  5. Step 5: Solve for x
    x = 124,610.07/365.30
  6. Step 6: Final answer
    x = 341.12

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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.