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Finding the Fourth Proportional to 1,068.39, 1,473.48 and 846.99

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Solution

The fourth proportional to 1,068.39, 1,473.48 and 846.99 is: 1,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.39 : 1,473.48 = 846.99 : x
  2. Step 2: Convert to fraction form
    1,068.39/1,473.48 = 846.99/x
  3. Step 3: Cross multiply
    1,068.39x = 1,473.48 × 846.99
  4. Step 4: Simplify right side
    1,068.39x = 1,248,022.83
  5. Step 5: Solve for x
    x = 1,248,022.83/1,068.39
  6. Step 6: Final answer
    x = 1,168.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.