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Finding the Fourth Proportional to 335.04, 501.80 and 253.63

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Solution

The fourth proportional to 335.04, 501.80 and 253.63 is: 379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.04 : 501.80 = 253.63 : x
  2. Step 2: Convert to fraction form
    335.04/501.80 = 253.63/x
  3. Step 3: Cross multiply
    335.04x = 501.80 × 253.63
  4. Step 4: Simplify right side
    335.04x = 127,270.89
  5. Step 5: Solve for x
    x = 127,270.89/335.04
  6. Step 6: Final answer
    x = 379.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.