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Finding the Fourth Proportional to 929.26, 1,266 and 910.29

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Solution

The fourth proportional to 929.26, 1,266 and 910.29 is: 1,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    929.26 : 1,266 = 910.29 : x
  2. Step 2: Convert to fraction form
    929.26/1,266 = 910.29/x
  3. Step 3: Cross multiply
    929.26x = 1,266 × 910.29
  4. Step 4: Simplify right side
    929.26x = 1,152,427.14
  5. Step 5: Solve for x
    x = 1,152,427.14/929.26
  6. Step 6: Final answer
    x = 1,240.16

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.