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Finding the Fourth Proportional to 1,164.07, 1,746.36 and 342.35

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Solution

The fourth proportional to 1,164.07, 1,746.36 and 342.35 is: 513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.07 : 1,746.36 = 342.35 : x
  2. Step 2: Convert to fraction form
    1,164.07/1,746.36 = 342.35/x
  3. Step 3: Cross multiply
    1,164.07x = 1,746.36 × 342.35
  4. Step 4: Simplify right side
    1,164.07x = 597,857.61
  5. Step 5: Solve for x
    x = 597,857.61/1,164.07
  6. Step 6: Final answer
    x = 513.59

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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.