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Finding the Fourth Proportional to 503.59, 753.66 and 349.69

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Solution

The fourth proportional to 503.59, 753.66 and 349.69 is: 523.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.59 : 753.66 = 349.69 : x
  2. Step 2: Convert to fraction form
    503.59/753.66 = 349.69/x
  3. Step 3: Cross multiply
    503.59x = 753.66 × 349.69
  4. Step 4: Simplify right side
    503.59x = 263,547.37
  5. Step 5: Solve for x
    x = 263,547.37/503.59
  6. Step 6: Final answer
    x = 523.34

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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.