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Finding the Fourth Proportional to 544.07, 815.70 and 370.30

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Solution

The fourth proportional to 544.07, 815.70 and 370.30 is: 555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.07 : 815.70 = 370.30 : x
  2. Step 2: Convert to fraction form
    544.07/815.70 = 370.30/x
  3. Step 3: Cross multiply
    544.07x = 815.70 × 370.30
  4. Step 4: Simplify right side
    544.07x = 302,053.71
  5. Step 5: Solve for x
    x = 302,053.71/544.07
  6. Step 6: Final answer
    x = 555.17

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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.