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Finding the Fourth Proportional to 730.17, 1,094.94 and 340.07

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Solution

The fourth proportional to 730.17, 1,094.94 and 340.07 is: 509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.17 : 1,094.94 = 340.07 : x
  2. Step 2: Convert to fraction form
    730.17/1,094.94 = 340.07/x
  3. Step 3: Cross multiply
    730.17x = 1,094.94 × 340.07
  4. Step 4: Simplify right side
    730.17x = 372,350.77
  5. Step 5: Solve for x
    x = 372,350.77/730.17
  6. Step 6: Final answer
    x = 509.95

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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.