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Finding the Fourth Proportional to 1,164.87, 1,746.99 and 342.93

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Solution

The fourth proportional to 1,164.87, 1,746.99 and 342.93 is: 514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.87 : 1,746.99 = 342.93 : x
  2. Step 2: Convert to fraction form
    1,164.87/1,746.99 = 342.93/x
  3. Step 3: Cross multiply
    1,164.87x = 1,746.99 × 342.93
  4. Step 4: Simplify right side
    1,164.87x = 599,095.28
  5. Step 5: Solve for x
    x = 599,095.28/1,164.87
  6. Step 6: Final answer
    x = 514.30

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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.