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Finding the Fourth Proportional to 1,014.60, 1,400.30 and 952.06

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Solution

The fourth proportional to 1,014.60, 1,400.30 and 952.06 is: 1,313.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.60 : 1,400.30 = 952.06 : x
  2. Step 2: Convert to fraction form
    1,014.60/1,400.30 = 952.06/x
  3. Step 3: Cross multiply
    1,014.60x = 1,400.30 × 952.06
  4. Step 4: Simplify right side
    1,014.60x = 1,333,169.62
  5. Step 5: Solve for x
    x = 1,333,169.62/1,014.60
  6. Step 6: Final answer
    x = 1,313.99

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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.