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Finding the Fourth Proportional to 1,017.63, 1,525.87 and 601.33

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Solution

The fourth proportional to 1,017.63, 1,525.87 and 601.33 is: 901.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017.63 : 1,525.87 = 601.33 : x
  2. Step 2: Convert to fraction form
    1,017.63/1,525.87 = 601.33/x
  3. Step 3: Cross multiply
    1,017.63x = 1,525.87 × 601.33
  4. Step 4: Simplify right side
    1,017.63x = 917,551.41
  5. Step 5: Solve for x
    x = 917,551.41/1,017.63
  6. Step 6: Final answer
    x = 901.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.