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Finding the Fourth Proportional to 463.49, 637.92 and 369.93

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Solution

The fourth proportional to 463.49, 637.92 and 369.93 is: 509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.49 : 637.92 = 369.93 : x
  2. Step 2: Convert to fraction form
    463.49/637.92 = 369.93/x
  3. Step 3: Cross multiply
    463.49x = 637.92 × 369.93
  4. Step 4: Simplify right side
    463.49x = 235,985.75
  5. Step 5: Solve for x
    x = 235,985.75/463.49
  6. Step 6: Final answer
    x = 509.16

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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.