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Finding the Fourth Proportional to 364.64, 503.22 and 233.60

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Solution

The fourth proportional to 364.64, 503.22 and 233.60 is: 322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.64 : 503.22 = 233.60 : x
  2. Step 2: Convert to fraction form
    364.64/503.22 = 233.60/x
  3. Step 3: Cross multiply
    364.64x = 503.22 × 233.60
  4. Step 4: Simplify right side
    364.64x = 117,552.19
  5. Step 5: Solve for x
    x = 117,552.19/364.64
  6. Step 6: Final answer
    x = 322.38

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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.