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Finding the Fourth Proportional to 364.47, 502.92 and 233.66

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Solution

The fourth proportional to 364.47, 502.92 and 233.66 is: 322.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.47 : 502.92 = 233.66 : x
  2. Step 2: Convert to fraction form
    364.47/502.92 = 233.66/x
  3. Step 3: Cross multiply
    364.47x = 502.92 × 233.66
  4. Step 4: Simplify right side
    364.47x = 117,509.77
  5. Step 5: Solve for x
    x = 117,509.77/364.47
  6. Step 6: Final answer
    x = 322.41

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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.