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Finding the Fourth Proportional to 700.60, 1,046.01 and 631.48

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Solution

The fourth proportional to 700.60, 1,046.01 and 631.48 is: 942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.60 : 1,046.01 = 631.48 : x
  2. Step 2: Convert to fraction form
    700.60/1,046.01 = 631.48/x
  3. Step 3: Cross multiply
    700.60x = 1,046.01 × 631.48
  4. Step 4: Simplify right side
    700.60x = 660,534.39
  5. Step 5: Solve for x
    x = 660,534.39/700.60
  6. Step 6: Final answer
    x = 942.81

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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.