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Finding the Fourth Proportional to 368.33, 508.11 and 235.58

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Solution

The fourth proportional to 368.33, 508.11 and 235.58 is: 324.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.33 : 508.11 = 235.58 : x
  2. Step 2: Convert to fraction form
    368.33/508.11 = 235.58/x
  3. Step 3: Cross multiply
    368.33x = 508.11 × 235.58
  4. Step 4: Simplify right side
    368.33x = 119,700.55
  5. Step 5: Solve for x
    x = 119,700.55/368.33
  6. Step 6: Final answer
    x = 324.98

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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.