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Finding the Fourth Proportional to 365.02, 503.88 and 247.12

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Solution

The fourth proportional to 365.02, 503.88 and 247.12 is: 341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.02 : 503.88 = 247.12 : x
  2. Step 2: Convert to fraction form
    365.02/503.88 = 247.12/x
  3. Step 3: Cross multiply
    365.02x = 503.88 × 247.12
  4. Step 4: Simplify right side
    365.02x = 124,518.83
  5. Step 5: Solve for x
    x = 124,518.83/365.02
  6. Step 6: Final answer
    x = 341.13

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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.