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Finding the Fourth Proportional to 365.00, 503.57 and 240.72

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Solution

The fourth proportional to 365.00, 503.57 and 240.72 is: 332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.00 : 503.57 = 240.72 : x
  2. Step 2: Convert to fraction form
    365.00/503.57 = 240.72/x
  3. Step 3: Cross multiply
    365.00x = 503.57 × 240.72
  4. Step 4: Simplify right side
    365.00x = 121,218.08
  5. Step 5: Solve for x
    x = 121,218.08/365.00
  6. Step 6: Final answer
    x = 332.11

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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.