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Finding the Fourth Proportional to 730.07, 1,095.17 and 210.06

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Solution

The fourth proportional to 730.07, 1,095.17 and 210.06 is: 315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.07 : 1,095.17 = 210.06 : x
  2. Step 2: Convert to fraction form
    730.07/1,095.17 = 210.06/x
  3. Step 3: Cross multiply
    730.07x = 1,095.17 × 210.06
  4. Step 4: Simplify right side
    730.07x = 230,050.36
  5. Step 5: Solve for x
    x = 230,050.36/730.07
  6. Step 6: Final answer
    x = 315.11

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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.