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Finding the Fourth Proportional to 676.15, 1,009.34 and 594.14

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Solution

The fourth proportional to 676.15, 1,009.34 and 594.14 is: 886.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.15 : 1,009.34 = 594.14 : x
  2. Step 2: Convert to fraction form
    676.15/1,009.34 = 594.14/x
  3. Step 3: Cross multiply
    676.15x = 1,009.34 × 594.14
  4. Step 4: Simplify right side
    676.15x = 599,689.16
  5. Step 5: Solve for x
    x = 599,689.16/676.15
  6. Step 6: Final answer
    x = 886.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.