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Finding the Fourth Proportional to 302.93, 418.36 and 237.93

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Solution

The fourth proportional to 302.93, 418.36 and 237.93 is: 328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.93 : 418.36 = 237.93 : x
  2. Step 2: Convert to fraction form
    302.93/418.36 = 237.93/x
  3. Step 3: Cross multiply
    302.93x = 418.36 × 237.93
  4. Step 4: Simplify right side
    302.93x = 99,538.30
  5. Step 5: Solve for x
    x = 99,538.30/302.93
  6. Step 6: Final answer
    x = 328.59

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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.