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Finding the Fourth Proportional to 1,547.23, 2,322.06 and 573.61

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Solution

The fourth proportional to 1,547.23, 2,322.06 and 573.61 is: 860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.23 : 2,322.06 = 573.61 : x
  2. Step 2: Convert to fraction form
    1,547.23/2,322.06 = 573.61/x
  3. Step 3: Cross multiply
    1,547.23x = 2,322.06 × 573.61
  4. Step 4: Simplify right side
    1,547.23x = 1,331,956.84
  5. Step 5: Solve for x
    x = 1,331,956.84/1,547.23
  6. Step 6: Final answer
    x = 860.87

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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.