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Finding the Fourth Proportional to 364, 544.74 and 342.94

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Solution

The fourth proportional to 364, 544.74 and 342.94 is: 513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    364 : 544.74 = 342.94 : x
  2. Step 2: Convert to fraction form
    364/544.74 = 342.94/x
  3. Step 3: Cross multiply
    364x = 544.74 × 342.94
  4. Step 4: Simplify right side
    364x = 186,813.14
  5. Step 5: Solve for x
    x = 186,813.14/364
  6. Step 6: Final answer
    x = 513.22

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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.