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Finding the Fourth Proportional to 544.99, 817.50 and 340.15

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Solution

The fourth proportional to 544.99, 817.50 and 340.15 is: 510.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.99 : 817.50 = 340.15 : x
  2. Step 2: Convert to fraction form
    544.99/817.50 = 340.15/x
  3. Step 3: Cross multiply
    544.99x = 817.50 × 340.15
  4. Step 4: Simplify right side
    544.99x = 278,072.63
  5. Step 5: Solve for x
    x = 278,072.63/544.99
  6. Step 6: Final answer
    x = 510.23

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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.