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Finding the Fourth Proportional to 1,301.39, 1,952.54 and 570.87

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Solution

The fourth proportional to 1,301.39, 1,952.54 and 570.87 is: 856.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.39 : 1,952.54 = 570.87 : x
  2. Step 2: Convert to fraction form
    1,301.39/1,952.54 = 570.87/x
  3. Step 3: Cross multiply
    1,301.39x = 1,952.54 × 570.87
  4. Step 4: Simplify right side
    1,301.39x = 1,114,645.80
  5. Step 5: Solve for x
    x = 1,114,645.80/1,301.39
  6. Step 6: Final answer
    x = 856.50

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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.