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Finding the Fourth Proportional to 337.98, 465.80 and 253.82

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Solution

The fourth proportional to 337.98, 465.80 and 253.82 is: 349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.98 : 465.80 = 253.82 : x
  2. Step 2: Convert to fraction form
    337.98/465.80 = 253.82/x
  3. Step 3: Cross multiply
    337.98x = 465.80 × 253.82
  4. Step 4: Simplify right side
    337.98x = 118,225.76
  5. Step 5: Solve for x
    x = 118,225.76/337.98
  6. Step 6: Final answer
    x = 349.80

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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.