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Finding the Fourth Proportional to 845.37, 1,262.51 and 708.53

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Solution

The fourth proportional to 845.37, 1,262.51 and 708.53 is: 1,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.37 : 1,262.51 = 708.53 : x
  2. Step 2: Convert to fraction form
    845.37/1,262.51 = 708.53/x
  3. Step 3: Cross multiply
    845.37x = 1,262.51 × 708.53
  4. Step 4: Simplify right side
    845.37x = 894,516.36
  5. Step 5: Solve for x
    x = 894,516.36/845.37
  6. Step 6: Final answer
    x = 1,058.14

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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.