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Finding the Fourth Proportional to 1,290.52, 1,935.48 and 597.04

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Solution

The fourth proportional to 1,290.52, 1,935.48 and 597.04 is: 895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290.52 : 1,935.48 = 597.04 : x
  2. Step 2: Convert to fraction form
    1,290.52/1,935.48 = 597.04/x
  3. Step 3: Cross multiply
    1,290.52x = 1,935.48 × 597.04
  4. Step 4: Simplify right side
    1,290.52x = 1,155,558.98
  5. Step 5: Solve for x
    x = 1,155,558.98/1,290.52
  6. Step 6: Final answer
    x = 895.42

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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.